// ****************************************************************
// Sketch Esp8266 Zeitschaltuhr Modular(Tab)
// created: Jens Fleischer, 2019-10-04
// last mod: Jens Fleischer, 2023-12-12
// For more information visit: https://fipsok.de
// ****************************************************************
// Hardware: Esp8266
// Software: Esp8266 Arduino Core 2.7.0 - 3.1.2
// Getestet auf: Nodemcu, Wemos D1 Mini Pro
/******************************************************************
  Copyright (c) 2019 Jens Fleischer. All rights reserved.

  This file is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  This file is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
*******************************************************************/
// Der WebServer Tab ist der Haupt Tab mit "setup" und "loop".
// #include <LittleFS.h> #include <ESP8266WebServer.h> müssen im Haupttab aufgerufen werden
// Die Funktionalität des ESP8266 Webservers ist erforderlich.
// "server.onNotFound()" darf nicht im Setup des ESP8266 Webserver stehen.
// Inklusive Arduino OTA-Updates (Erfordert freien Flash-Speicher )
/**************************************************************************************/

#include <ESP8266WebServer.h>
#include <ArduinoOTA.h>                                      // https://arduino-esp8266.readthedocs.io/en/latest/ota_updates/readme.html
#include <LittleFS.h>

ESP8266WebServer server(80);

//#define DEBUGGING                                          // Einkommentieren für die Serielle Ausgabe.
constexpr bool PROTECT {0};                                  // HTML-Basisauthentifizierung aktivieren. (1 = aktiviert)
const char* www_username = "admin";                          // Die Anmeldeinformationen für HTML Seiten müssen im Browser eingegeben werden.
const char* www_password = "esp8266";

#ifdef DEBUGGING
#define DEBUG_B(...) Serial.begin(__VA_ARGS__)
#define DEBUG_P(...) Serial.println(__VA_ARGS__)
#define DEBUG_F(...) Serial.printf(__VA_ARGS__)
#else
#define DEBUG_B(...)
#define DEBUG_P(...)
#define DEBUG_F(...)
#endif

String sketchName() {                                        // Dateiname für den Admin Tab
  char file[sizeof(__FILE__)] = __FILE__;
  char * pos = strrchr(file, '.'); *pos = '\0';
  return file;
}

void setup() {
  DEBUG_B(115200);
  delay(100);
  DEBUG_F(PSTR("\n\nSketchname: %s\nBuild: %s\t\tIDE: %d.%d.%d\n%s\n\n"),
          (__FILE__), (__TIMESTAMP__), ARDUINO / 10000, ARDUINO % 10000 / 100, ARDUINO % 10, ESP.getFullVersion().c_str());

  setupFS();
  connectWifi();
  admin();
  setupTime();
  setupTimerSwitch();
  setupHobbsMeter();
  ArduinoOTA.onStart([]() {
    toSave();                                                // vor dem Sketch Update Betriebsstunden in Datei schreiben
  });
  ArduinoOTA.begin();
  server.begin();
}

void loop() {
  ArduinoOTA.handle();
  server.handleClient();
  if (millis() < 0x2FFF || millis() > 0xFFFFF0FF) runtime(); // Uptime für den Admin Tab
  localTime();                                               // Funktionsaufruf Uhrzeit aktualisieren
  timerSwitch();                                             // Funktionsaufruf Zeitschaltuhr
  sunRun();                                                  // Funktionsaufruf zur Berechnung der Dämmerungszeiten einmal Täglich
}

// ****************************************************************
// Sketch Esp8266 Admin IPv6 Modular(Tab)
// created: Jens Fleischer, 2020-01-26
// last mod: Jens Fleischer, 2021-06-09
// For more information visit: https://fipsok.de
// ****************************************************************
// Hardware: Esp8266
// Software: Esp8266 Arduino Core 2.6.0 - 3.1.2
// Geprüft: von 1MB bis 16MB Flash
// Getestet auf: Nodemcu, Wemos D1 Mini Pro, Sonoff Switch, Sonoff Dual
/******************************************************************
  Copyright (c) 2020 Jens Fleischer. All rights reserved.

  This file is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  This file is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
*******************************************************************/
// Diese Version von Admin sollte als Tab eingebunden werden.
// #include <LittleFS.h> #include <ESP8266WebServer.h> müssen im Haupttab aufgerufen werden
// Die Funktionalität des ESP8266 Webservers ist erforderlich.
// Die LittleFS.ino muss im ESP8266 Webserver enthalten sein
// Funktion "admin();" muss im setup() nach setupFS() aber vor dem Verbindungsaufbau aufgerufen werden.
// Die Funktion "runtime();" muss mindestens zweimal innerhalb 49 Tage aufgerufen werden.
// Entweder durch den Client(Webseite) oder zur Sicherheit im "loop();"
// In der IDE unter Werkzeuge auf lwip Variant: ;"v2 IPv6 Lower Memory;" einstellen.
/**************************************************************************************/

#include <AddrList.h>

const char* const PROGMEM flashChipMode[] = {"QIO", "QOUT", "DIO", "DOUT", "Unbekannt"};

void admin() {                                                      // Funktionsaufruf "admin();" muss im Setup eingebunden werden
  File file = LittleFS.open(existFolder("Config") + "/config.json", "r");
  if (file) {
    String newhostname = file.readStringUntil('\n');
    if (newhostname != "") {
      WiFi.hostname(newhostname.substring(1, newhostname.length() - 1));
      file.close();
      ArduinoOTA.setHostname(WiFi.hostname().c_str());
    }
  }
  server.on("/admin/renew", handlerenew);
  server.on("/admin/once", handleonce);
  server.on("/reconnect", []() {
    server.send(304, "message/http");
    WiFi.reconnect();
  });
  server.on("/restart", []() {
    server.send(304, "message/http");
    toSave();                                                       //Wenn Werte vor dem Neustart gespeichert werden sollen
    ESP.restart();
  });
}

//Es kann entweder die Spannung am ADC-Pin oder die Modulversorgungsspannung (VCC) ausgegeben werden.
/*
  void handlerenew() {    // Um die am ADC-Pin anliegende externe Spannung zu lesen, verwende analogRead (A0)
  server.send(200, "application/json", "[\"" + runtime() + "\",\"" + WiFi.RSSI() + "\",\"" + analogRead(A0) + "\"]");     // Json als Array
  }
*/

ADC_MODE(ADC_VCC);
void handlerenew() {   // Zum Lesen der Modulversorgungsspannung (VCC), verwende ESP.getVcc()
  server.send(200, "application/json", "[\"" + runtime() + "\",\"" + WiFi.RSSI() + "\",\"" + ESP.getVcc() / 1024.0 + " V" + "\"]");
}

void handleonce() {
  String ipv6Local, ipv6Global;
#if LWIP_IPV6
  for (auto &a : addrList) {
    if (a.isV6()) a.isLocal() ? ipv6Local = a.toString() : ipv6Global = a.toString();
  }
#endif
  if (server.arg(0) != "") {
    WiFi.hostname(server.arg(0));
    File f = LittleFS.open(existFolder("Config") + "/config.json", "w");                    // Datei zum schreiben öffnen
    f.printf("\"%s\"\n", WiFi.hostname().c_str());
    f.close();
  }
  String temp = "{\"File\":\"" + sketchName() + "\", \"Build\":\"" + __DATE__ + " " + __TIME__ + "\", \"SketchSize\":\"" + formatBytes(ESP.getSketchSize()) +
                "\", \"SketchSpace\":\"" + formatBytes(ESP.getFreeSketchSpace()) + "\", \"LocalIP\":\"" +  WiFi.localIP().toString() + "\", \"IPv6l\":\"" + ipv6Local +
                "\", \"IPv6g\":\"" +  ipv6Global + "\", \"Hostname\":\"" + WiFi.hostname() + "\", \"SSID\":\"" + WiFi.SSID() + "\", \"GatewayIP\":\"" +  WiFi.gatewayIP().toString() +
                "\", \"Channel\":\"" +  WiFi.channel() + "\", \"MacAddress\":\"" +  WiFi.macAddress() + "\", \"SubnetMask\":\"" +  WiFi.subnetMask().toString() +
                "\", \"BSSID\":\"" +  WiFi.BSSIDstr() + "\", \"ClientIP\":\"" + server.client().remoteIP().toString() + "\", \"DnsIP\":\"" + WiFi.dnsIP().toString() +
                "\", \"ResetReason\":\"" + ESP.getResetReason() + "\", \"CpuFreqMHz\":\"" + F_CPU / 1000000 + "\", \"FreeHeap\":\"" + formatBytes(ESP.getFreeHeap()) +
                "\", \"HeapFrag\":\"" + ESP.getHeapFragmentation() + "\", \"ChipSize\":\"" +  formatBytes(ESP.getFlashChipSize()) +
                "\", \"ChipSpeed\":\"" + ESP.getFlashChipSpeed() / 1000000 + "\", \"ChipMode\":\"" + flashChipMode[ESP.getFlashChipMode()] +
                "\", \"IdeVersion\":\"" + ARDUINO + "\", \"CoreVersion\":\"" + ESP.getCoreVersion() + "\", \"SdkVersion\":\"" + ESP.getSdkVersion() + "\"}";
  server.send(200, "application/json", temp);     // Json als Objekt
}

String runtime() {
  static uint8_t rolloverCounter;
  static uint32_t previousMillis;
  uint32_t currentMillis {millis()};
  if (currentMillis < previousMillis) rolloverCounter++;            // prüft millis() auf Überlauf
  previousMillis = currentMillis;
  uint32_t sec {(0xFFFFFFFF / 1000) * rolloverCounter + (currentMillis / 1000)};
  char buf[20];
  snprintf(buf, sizeof(buf), "%*.d %.*s %02d:%02d:%02d",
           sec < 86400 ? 0 : 1, sec / 86400, sec < 86400 ? 0 : sec >= 172800 ? 4 : 3, "Tage", sec / 3600 % 24, sec / 60 % 60, sec % 60);
  return buf;
}

In diesem Tab sind deine Wlan Zugangsdaten einzutragen.

// ****************************************************************
// Sketch Esp8266 Connect STA Modular(Tab) mit optischer Anzeige
// created: Jens Fleischer, 2018-04-08
// last mod: Jens Fleischer, 2020-12-28
// For more information visit: https://fipsok.de
// ****************************************************************
// Hardware: Esp8266
// Software: Esp8266 Arduino Core 2.4.2 - 3.1.2
// Getestet auf: Nodemcu, Wemos D1 Mini Pro, Sonoff Dual
/******************************************************************
  Copyright (c) 2018 Jens Fleischer. All rights reserved.

  This file is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  This file is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
*******************************************************************/
// Diese Version von Connect STA sollte als Tab eingebunden werden.
// #include <ESP8266WebServer.h> oder #include <ESP8266WiFi.h> muss im Haupttab aufgerufen werden
// Die Funktion "connectWifi();" muss im Setup eingebunden werden.
/**************************************************************************************/

//#define CONFIG                                // Einkommentieren wenn der ESP dem Router die IP mitteilen soll.
#define NO_SLEEP                                // Auskommentieren wenn der Nodemcu den deep sleep Modus nutzt.

const char* ssid = "Netzwerkname";              // Darf bis zu 32 Zeichen haben.
const char* password = "PasswortvomNetzwerk";   // Mindestens 8 Zeichen jedoch nicht länger als 64 Zeichen.

#ifdef CONFIG
IPAddress staticIP(192, 168, 178, 99);          // Statische IP des NodeMCU ESP8266
IPAddress gateway(192, 168, 178, 1);            // IP-Adresse des Router
IPAddress subnet(255, 255, 255, 0);             // Subnetzmaske des Netzwerkes
IPAddress dns(192, 168, 178, 1);                // DNS Server
#endif

void connectWifi() {                            // Funktionsaufruf "connectWifi();" muss im Setup eingebunden werden.
  byte i = 0;
  //WiFi.disconnect();                          // Nur erforderlich wenn Esp den AP Modus nicht verlassen will.
  WiFi.persistent(false);                       // Auskommentieren wenn Netzwerkname und Passwort in den Flash geschrieben werden sollen.
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
#ifdef CONFIG
  WiFi.config(staticIP, gateway, subnet, dns);
#endif
  while (WiFi.status() != WL_CONNECTED) {
#ifdef NO_SLEEP
    pinMode(LED_BUILTIN, OUTPUT);               // OnBoardLed Nodemcu, Wemos D1 Mini Pro
    digitalWrite(LED_BUILTIN, 0);
#endif
    delay(500);
    digitalWrite(LED_BUILTIN, 1);
    delay(500);
    DEBUG_F(" %d sek\n", ++i);
    if (i > 9) {
      DEBUG_P(PSTR("\nVerbindung zum AP fehlgeschlagen !\n\n"));
      ESP.restart();
    }
  }
  DEBUG_P("\nVerbunden mit: " + WiFi.SSID());
  DEBUG_F("\nGib diese URL in deinem Browser ein: %s/fs.html\n\n", WiFi.localIP().toString().c_str());
}

// ****************************************************************
// Sketch Esp8266 Filesystem Manager spezifisch sortiert Modular(Tab)
// created: Jens Fleischer, 2020-06-08
// last mod: Jens Fleischer, 2023-12-12
// For more information visit: https://fipsok.de
// ****************************************************************
// Hardware: Esp8266
// Software: Esp8266 Arduino Core 2.7.0 - 3.1.2
// Geprüft: von 1MB bis 2MB Flash
// Getestet auf: Nodemcu
/******************************************************************
  Copyright (c) 2020 Jens Fleischer. All rights reserved.

  This file is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  This file is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
*******************************************************************/
// Diese Version von LittleFS sollte als Tab eingebunden werden.
// #include <LittleFS.h> #include <ESP8266WebServer.h> müssen im Haupttab aufgerufen werden
// Die Funktionalität des ESP8266 Webservers ist erforderlich.
// "server.onNotFound()" darf nicht im Setup des ESP8266 Webserver stehen.
// Die Funktion "setupFS();" muss im Setup aufgerufen werden.
/**************************************************************************************/

#include <list>
#include <tuple>

const char WARNING[] PROGMEM = R"(<h2>Der Sketch wurde mit "FS:none" kompilliert!)";
const char HELPER[] PROGMEM = R"(<form method="POST" action="/upload" enctype="multipart/form-data">
<input type="file" name="[]" multiple><button>Upload</button></form>Lade die fs.html hoch.)";

void setupFS() {                                                                       // Funktionsaufruf "setupFS();" muss im Setup eingebunden werden
  LittleFS.begin();
  server.on("/format", formatFS);
  server.on("/upload", HTTP_POST, sendResponce, handleUpload);
  server.onNotFound([]() {
    if (!handleFile(server.urlDecode(server.uri()))) server.send(404, "text/plain", "FileNotFound");
  });
  const char * headerkeys[] = {"If-None-Match"} ;                                      // "If-None-Match" HTTP-Anfrage-Header einfügen
  server.collectHeaders(headerkeys, static_cast<size_t>(1));                           // für ETag Unterstüzung: vor Core Version 3.x.x.
}

bool handleList() {                                                                    // Senden aller Daten an den Client
  FSInfo fs_info;  LittleFS.info(fs_info);                                             // Füllt FSInfo Struktur mit Informationen über das Dateisystem
  Dir dir = LittleFS.openDir("/");
  using namespace std;
  using records = tuple<String, String, size_t, time_t>;
  list<records> dirList;
  while (dir.next()) {                                                                 // Ordner und Dateien zur Liste hinzufügen
    if (dir.isDirectory()) {
      uint8_t ran {0};
      Dir fold = LittleFS.openDir(dir.fileName());
      while (fold.next())  {
        ran++;
        dirList.emplace_back(dir.fileName(), fold.fileName(), fold.fileSize(), fold.fileTime());
      }
      if (!ran) dirList.emplace_back(dir.fileName(), "", 0, 0);
    }
    else {
      dirList.emplace_back("", dir.fileName(), dir.fileSize(), dir.fileTime());
    }
  }
  dirList.sort([](const records & f, const records & l) {                              // Dateien sortieren
    if (server.arg(0) == "1") {
      return get<2>(f) > get<2>(l);
    } else {
      for (uint8_t i = 0; i < 31; i++) {
        if (tolower(get<1>(f)[i]) < tolower(get<1>(l)[i])) return true;
        else if (tolower(get<1>(f)[i]) > tolower(get<1>(l)[i])) return false;
      }
      return false;
    }
  });
  dirList.sort([](const records & f, const records & l) {                              // Ordner sortieren
    if (get<0>(f)[0] != 0x00 || get<0>(l)[0] != 0x00) {
      for (uint8_t i = 0; i < 31; i++) {
        if (tolower(get<0>(f)[i]) < tolower(get<0>(l)[i])) return true;
        else if (tolower(get<0>(f)[i]) > tolower(get<0>(l)[i])) return false;
      }
    }
    return false;
  });
  String temp = "[";
  for (auto& t : dirList) {
    if (temp != "[") temp += ',';
    temp += "{\"folder\":\"" + get<0>(t) + "\",\"name\":\"" + get<1>(t) + "\",\"size\":\"" + formatBytes(get<2>(t)) + "\",\"time\":\"" + get<3>(t) + "\"}";
  }
  temp += ",{\"usedBytes\":\"" + formatBytes(fs_info.usedBytes) +                      // Berechnet den verwendeten Speicherplatz
          "\",\"totalBytes\":\"" + formatBytes(fs_info.totalBytes) +                   // Zeigt die Größe des Speichers
          "\",\"freeBytes\":\"" + (fs_info.totalBytes - fs_info.usedBytes) + "\"}]";   // Berechnet den freien Speicherplatz
  server.send(200, "application/json", temp);
  return true;
}

void deleteRecursive(const String &path) {
  if (LittleFS.remove(path)) {
    LittleFS.open(path.substring(0, path.lastIndexOf('/')) + "/", "w");
    return;
  }
  Dir dir = LittleFS.openDir(path);
  while (dir.next()) {
    deleteRecursive(path + '/' + dir.fileName());
  }
  LittleFS.rmdir(path);
}

bool handleFile(String &&path) {
  if (!LittleFS.exists("fs.html")) server.send(200, "text/html", LittleFS.begin() ? HELPER : WARNING);     // ermöglicht das hochladen der fs.html
  if (!(PROTECT && !authenticated())) {
    if (server.hasArg("new")) {
      for (auto& c : {34, 37, 38, 47, 58, 59, 92}) for (auto& e : server.arg("new")) if (e == c) return sendResponce();    // Abbrechen bei nicht erlaubten Zeichen
      LittleFS.mkdir(server.arg("new"));
    }
    if (server.hasArg("sort")) return handleList();
    if (server.hasArg("delete")) {
      deleteRecursive(server.arg("delete"));
      return sendResponce();
    }
    if (path.endsWith("/")) path += "index.html";
    File f = LittleFS.open(path, "r");
    String eTag = String(f.getLastWrite(), HEX);                                       // Verwendet den Zeitstempel der Dateiänderung, um den ETag zu erstellen.
    if (server.header("If-None-Match") == eTag) {
      server.send(304);
      return true;
    }
    server.sendHeader("ETag", eTag);
    return LittleFS.exists(path) ? server.streamFile(f, mime::getContentType(path)) : false;
  }
  return false;
}

void handleUpload() {                                                                  // Dateien ins Filesystem schreiben
  static File fsUploadFile;
  HTTPUpload& upload = server.upload();
  if (upload.status == UPLOAD_FILE_START) {
    if (upload.filename.length() > 31) {  // Dateinamen kürzen
      upload.filename = upload.filename.substring(upload.filename.length() - 31, upload.filename.length());
    }
    printf(PSTR("handleFileUpload Name: /%s\n"), upload.filename.c_str());
    fsUploadFile = LittleFS.open(server.arg(0) + "/" + server.urlDecode(upload.filename), "w");
  } else if (upload.status == UPLOAD_FILE_WRITE) {
    printf(PSTR("handleFileUpload Data: %u\n"), upload.currentSize);
    fsUploadFile.write(upload.buf, upload.currentSize);
  } else if (upload.status == UPLOAD_FILE_END) {
    printf(PSTR("handleFileUpload Size: %u\n"), upload.totalSize);
    fsUploadFile.close();
  }
}

void formatFS() {                                                                      // Formatiert das Filesystem
  LittleFS.format();
  sendResponce();
}

bool sendResponce() {
  server.sendHeader("Location", "fs.html");
  server.send(303, "message/http");
  return true;
}

const String formatBytes(size_t const& bytes) {                                        // lesbare Anzeige der Speichergrößen
  return bytes < 1024 ? static_cast<String>(bytes) + " Byte" : bytes < 1048576 ? static_cast<String>(bytes / 1024.0) + " KB" : static_cast<String>(bytes / 1048576.0) + " MB";
}

String existFolder( String const& foldername) {
  if (!LittleFS.exists(foldername)) LittleFS.mkdir(foldername);
  return foldername;
}

bool authenticated() {
  if (server.authenticate(www_username, www_password)) return true;
  server.requestAuthentication(DIGEST_AUTH, "Anmeldung erforderlich", "Authentifizierung fehlgeschlagen!");
  return false;
}

// ****************************************************************
// Sketch Esp8266 Lokalzeit Modular(Tab)
// created: Jens Fleischer, 2020-09-20
// last mod: Jens Fleischer, 2023-01-11
// For more information visit: https://fipsok.de
// ****************************************************************
// Hardware: Esp8266
// Software: Esp8266 Arduino Core 2.6.0 - 3.1.2
// Getestet auf: Nodemcu, Wemos D1 Mini Pro, Sonoff Switch, Sonoff Dual
/******************************************************************
  Copyright (c) 2020 Jens Fleischer. All rights reserved.

  This file is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  This file is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
*******************************************************************/
// Diese Version von Lokalzeit sollte als Tab eingebunden werden.
// #include <ESP8266WebServer.h> oder #include <ESP8266WiFi.h> muss im Haupttab aufgerufen werden.
// Funktion "setupTime();" muss im setup() nach dem Verbindungsaufbau aufgerufen werden.
// Automatische Umstellung zwischen Sommer- und Normalzeit.
// Inclusive Abfrage ob die Zeit vom NTP Server geholt werden konnte.
/**************************************************************************************/

#include <time.h>

constexpr uint32_t SYNC_INTERVAL = 24;                                         // NTP Sync Interval in Stunden einstellen

struct tm tm;

const char* const PROGMEM NTP_SERVER[] = {"fritz.box", "de.pool.ntp.org", "at.pool.ntp.org", "ch.pool.ntp.org", "ptbtime1.ptb.de", "europe.pool.ntp.org"};
const char* const PROGMEM MONTH_SHORT[] = {"Jan", "Feb", "Mrz", "Apr", "Mai", "Jun", "Jul", "Aug", "Sep", "Okt", "Nov", "Dez"};

extern "C" uint8_t sntp_getreachability(uint8_t);

bool getNtpServer(bool reply = false) {
  uint32_t timeout {millis()};
  configTime("CET-1CEST,M3.5.0/02,M10.5.0/03", NTP_SERVER[1], NTP_SERVER[4]);   // Zeitzone einstellen https://github.com/nayarsystems/posix_tz_db/blob/master/zones.csv
  do {
    delay(25);
    if (millis() - timeout >= 1e3) {
      DEBUG_F(PSTR("Warten auf NTP-Antwort %2502ld sec\n"), (millis() - timeout) / 1000);
      delay(975);
    }
    sntp_getreachability(0) ? reply = true : sntp_getreachability(1) ? reply = true : sntp_getreachability(2) ? reply = true : false;
  } while (millis() - timeout <= 16e3 && !reply);
  return reply;
}

void setupTime() {
#ifndef DEBUGGING
  getNtpServer();
#endif
  DEBUG_F(PSTR("NTP Synchronisation %s!\n\n"), getNtpServer() ? "erfolgreich" : "fehlgeschlagen");
}

String localTime() {
  static char buf[9];                                    // je nach Format von "strftime" eventuell anpassen
  static time_t lastsec;
  time_t now = time(&now);
  localtime_r(&now, &tm);
  if (tm.tm_sec != lastsec) {
    lastsec = tm.tm_sec;
    strftime (buf, sizeof(buf), "%T", &tm);            // http://www.cplusplus.com/reference/ctime/strftime/
    if (!(time(&now) % (SYNC_INTERVAL * 3600))) {
#ifndef DEBUGGING
      getNtpServer();
#endif
      DEBUG_F(PSTR("NTP Synchronisation %s!\n"), getNtpServer(true) ? "erfolgreich" : "fehlgeschlagen");
    }
  }
  return buf;
}

In diesem Tab einstellen ob dein Device LOW oder HIGH aktiv geschaltet wird.
Und die Anzahl der Schaltzeiten einstellen. (1 bis 100).

// ****************************************************************
// Sketch Esp8266 Schaltuhr Modular(Tab)
// created: Jens Fleischer, 2019-10-04
// last mod: Jens Fleischer, 2021-08-23
// For more information visit: https://fipsok.de
// ****************************************************************
// Hardware: Esp8266, Relais Modul o. Mosfet IRF3708 o. Fotek SSR-40 DA
// für Relais Modul
// GND an GND
// IN an D5 = GPIO14
// VCC an VIN -> je nach verwendeten Esp.. möglich
// Jumper JD-VCC VCC
// alternativ ext. 5V Netzteil verwenden
//
// für Mosfet IRF3708
// Source an GND
// Mosfet Gate an D5 = GPIO14
//
// für 3V Solid State Relais
// GND an GND
// SSR Input + an D5 = GPIO14
//
// Software: Esp8266 Arduino Core 2.6.0 - 3.1.2
// Getestet auf: Nodemcu, Wemos D1 Mini Pro
/******************************************************************
  Copyright (c) 2019 Jens Fleischer. All rights reserved.

  This file is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  This file is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
*******************************************************************/
// Diese Version von Zeitschaltuhr sollte als Tab eingebunden werden.
// #include <LittleFS.h> #include <ESP8266WebServer.h> müssen im Haupttab aufgerufen werden
// Die Funktionalität des ESP8266 Webservers ist erforderlich.
// Der Lokalzeit Tab ist zum ausführen der Zeitschaltuhr einzubinden.
// Die Funktion "setupTimerSwitch();" muss im Setup aufgerufen werden.
// Zum schalten muss die Funktion "timerSwitch();" im loop(); aufgerufen werden.
/**************************************************************************************/

#include <tuple>
#include <vector>

constexpr auto ACTIVE = LOW;                                             // LOW für LOW aktive Relais oder HIGH für HIGH aktive (zB. SSR, Mosfet) einstellen
constexpr uint8_t DEVICE_PIN = D5;                                       // Pin für Device einstellen
constexpr uint8_t RECORDS = 20;                                          // Anzahl Schaltzeiten festlegen 1 - 100
bool pinState {!ACTIVE};

typedef char timeArr[6];
timeArr sunTime[4];

using namespace std;
using Subset = tuple<bool, uint8_t, String, String>;
vector<Subset> device;

struct extra {
  uint8_t sun;
  bool fixed;
} option;

void setupTimerSwitch() {
  digitalWrite(DEVICE_PIN, !ACTIVE);
  pinMode(DEVICE_PIN, OUTPUT);
  device.reserve(RECORDS);
  Subset t = make_tuple(1, 127, "", "");
  File file = LittleFS.open(existFolder("Config") + "/dtime.dat", "r");
  if (file) {                                                            // Einlesen aller Daten falls die Datei im LittleFS vorhanden und deren Größe stimmt.
    file.read(reinterpret_cast<uint8_t*>(&option), sizeof(option));
    for (uint8_t i = 0; i < device.capacity(); i++) {
      file.read(reinterpret_cast<uint8_t*>(&t), sizeof(Subset));
      device.emplace_back(t);
    }
    file.close();
#ifdef DEBUGGING
    uint8_t j = 0;
    for (const auto &e : device) DEBUG_F(PSTR("Subset %d: %d, %d, %s, %s\n"), ++j, get<0>(e), get<1>(e), get<2>(e).c_str(), get<3>(e).c_str());
#endif
  }
  else {
    DEBUG_P(F("Die \"dtime.dat\" ist nicht vorhanden!"));
    for (uint8_t i = 0; i < device.capacity(); i++) device.push_back(t);
  }
  DEBUG_F(PSTR("\nZeitschaltuhr Automatik %saktiviert\n\n"), option.fixed ? "de" : "");
  server.on("/timer", HTTP_POST, []() {
    if (server.hasArg("dTime")) {
      device.clear();
      Subset t = make_tuple(0, 0, "", "");
      char str[server.arg("dTime").length()];
      strcpy (str, server.arg("dTime").c_str());
      char* ptr = strtok(str, "[\"");
      for (auto i = 0; ptr != NULL; i++, i %= 4) {
        if (strcmp(ptr, ",")) {
          if (i == 0) {
            get<0>(t) = atoi(ptr);
          }
          else if (i == 1) {
            get<1>(t) = atoi(ptr);
          }
          else if (i == 2) {
            get<2>(t) = static_cast<String>(ptr);
          }
          else if (i == 3) {
            get<3>(t) = static_cast<String>(ptr);
            device.emplace_back(t);
          }
        }
        ptr = strtok(NULL, "\",[]");
      }
      printer();
    }
    String temp = "[";
    for (auto &t : device) {
      temp == "[" ? temp += "[" : temp += ",[";
      temp += "\"" + static_cast<String>(get<0>(t)) + "\",";
      temp += "\"" + static_cast<String>(get<1>(t)) + "\",";
      temp += "\"" + get<2>(t) + "\",";
      temp += "\"" + get<3>(t) + "\"]";
    }
    temp += "]";
    server.send(200, "application/json", temp);
  });
  server.on("/timer", HTTP_GET, []() {
    char buf[44];
    if (server.arg(0) == "tog") {
      pinState = !pinState;                                              // Pin Status manuell ändern
      timeDataLogger(ACTIVE, pinState, server.client().remoteIP().toString());   // Funktionsaufruf Zeitdatenlogger
    }
    else if (server.arg(0) == "fix") {
      option.fixed = !option.fixed;                                      // alle Schalzeiten deaktivieren/aktivieren
      printer();
    }
    if (server.arg(0) == "sun") {
      if (server.hasArg("select")) {
        option.sun = server.arg(1).toInt();
        printer();
      }
      snprintf(buf, sizeof(buf), "[[\"%s\",\"%s\",\"%s\",\"%s\"],[\"%d\"]]", sunTime[0], sunTime[1], sunTime[2], sunTime[3], option.sun);
    }
    else {
      snprintf(buf, sizeof(buf), "[\"%d\",\"%s\",\"%d\"]", pinState == ACTIVE, localTime().c_str(), option.fixed);
    }
    server.send(200, "application/json", buf);
  });
}

void printer() {
  File file = LittleFS.open(existFolder("Config") + "/dtime.dat", "w");
  if (file) {
    file.write(reinterpret_cast<const uint8_t*>(&option), sizeof(option));
    for (const auto &e : device) {
      file.write(reinterpret_cast<const uint8_t*>(&e), sizeof(e));
    }
    file.close();
  }
}

void timerSwitch() {
  static uint8_t lastmin {CHAR_MAX}, lastState {ACTIVE};
  hobbsMeter(pinState);                                                  // Funktionsaufruf Betriebsstundenzähler mit Pin Status
  button(pinState);                                                      // Funktionsaufruf Manueller Taster mit Pin Status
  timeDataLogger(ACTIVE, pinState, "Taster");                            // Funktionsaufruf Zeitdatenlogger
  if (tm.tm_min != lastmin && !option.fixed) {
    lastmin = tm.tm_min;
    char buf[6];
    sprintf(buf, "%.2d:%.2d", tm.tm_hour, tm.tm_min);
    for (auto &t : device) {
      if (get<0>(t) && (get<1>(t) & (1 << (tm.tm_wday ? tm.tm_wday - 1 : 6)))) {
        if (!get<2>(t).compareTo(buf)) pinState = ACTIVE;
        if (!get<3>(t).compareTo(buf)) pinState = !ACTIVE;
      }
    }
    for (auto i = 0; i < 4; i++) {
      if (!strcmp(sunTime[i], buf)) {                                    // Pin Status zum Sonnenstand ändern
        if (option.sun & (1 << i * 2)) pinState = !ACTIVE;
        if (option.sun & (1 << (i * 2 + 1))) pinState = ACTIVE;
      }
    }
    timeDataLogger(ACTIVE, pinState, "Programm");                        // Funktionsaufruf Zeitdatenlogger
  }
  if (pinState != lastState) {                                           // Pin schalten wenn sich der Status geändert hat
    lastState = pinState;
    digitalWrite(DEVICE_PIN, pinState);
    DEBUG_F(PSTR("Schaltausgang A%s\n"), digitalRead(DEVICE_PIN) == ACTIVE ? "n" : "us");
  }
}

In diesem Tab den Längen- und Breitengrad deines Standortes angeben.

// ****************************************************************
// Sketch Esp8266 Sonnenlauf Modular(Tab)
// source: https://lexikon.astronomie.info/zeitgleichung/neu.html
// created: Jens Fleischer, 2019-01-05
// last mod: Jens Fleischer, 2023-01-11
// For more information visit: https://fipsok.de
// ****************************************************************
// Hardware: Esp8266
// Software: Esp8266 Arduino Core 2.4.2 - 3.1.2
// Getestet auf: Nodemcu, Wemos D1 Mini Pro
/******************************************************************
  Copyright (c) 2018 Jens Fleischer. All rights reserved.

  This file is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  This file is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
*******************************************************************/
// Diese Version von Sonnenlauf sollte als Tab eingebunden werden.
// Der Lokalzeit Tab (bzw. "struct tm") ist zum ausführen erforderlich.
// Gib zunächst den Längen- und Breitengrad deines Ortes an.
// https://www.laengengrad-breitengrad.de/
/**************************************************************************************/

constexpr double LONGITUDE = 12.348239;  // Geographische Länge
constexpr double LATITUDE = 51.346030;   // Geographische Breite

void sunRun() {
  static uint8_t lastday, lastdst;
  if (tm.tm_mday != lastday || tm.tm_isdst != lastdst) {    // Sonnenlauf für Tage mit Zeitumstellung zweimal Täglich berechnen
    lastday = tm.tm_mday;
    lastdst = tm.tm_isdst;
    const double w = LATITUDE * DEG_TO_RAD;
    double JD = julianDate(1900 + tm.tm_year, 1 + tm.tm_mon, tm.tm_mday);
    double T = (JD - 2451545.0) / 36525.0;
    double DK;
    double EOT = calculateEOT(DK, T);
    double h = -0.833333333333333 * DEG_TO_RAD; // Sonenaufgang/Sonnenuntergang
    double differenceTime = 12.0 * acos((sin(h) - sin(w) * sin(DK)) / (cos(w) * cos(DK))) / PI;
    strcpy(sunTime[1], outputFormat((12.0 - differenceTime - EOT) - LONGITUDE / 15.0 + (_timezone * -1) / 3600 + tm.tm_isdst));
    strcpy(sunTime[2], outputFormat((12.0 + differenceTime - EOT) - LONGITUDE / 15.0 + (_timezone * -1) / 3600 + tm.tm_isdst));
    h = -6.0 * DEG_TO_RAD;                      // Bürgerliche Dämmerung
    differenceTime = 12.0 * acos((sin(h) - sin(w) * sin(DK)) / (cos(w) * cos(DK))) / PI;
    strcpy(sunTime[0], outputFormat((12.0 - differenceTime - EOT) - LONGITUDE / 15.0 + (_timezone * -1) / 3600 + tm.tm_isdst));
    strcpy(sunTime[3], outputFormat((12.0 + differenceTime - EOT) - LONGITUDE / 15.0 + (_timezone * -1) / 3600 + tm.tm_isdst));
    DEBUG_F(PSTR("\nMorgendämmerung: %s\tAbenddämmerung: %s\nSonnenaufgang: %s\tSonnenuntergang: %s\n"), sunTime[0], sunTime[3], sunTime[1], sunTime[2]);
  }
}

double julianDate (int y, int m, int d) {       // Gregorianischer Kalender
  if (m <= 2) {
    m = m + 12;
    y = y - 1;
  }
  int gregorian = (y / 400) - (y / 100) + (y / 4); // Gregorianischer Kalender
  return 2400000.5 + 365.0 * y - 679004.0 + gregorian + (30.6001 * (m + 1)) + d + 12.0 / 24.0;
}

double InPi(double x) {
  int n = x / TWO_PI;
  x = x - n * TWO_PI;
  if (x < 0) x += TWO_PI;
  return x;
}

double calculateEOT(double &DK, double T) {
  double RAm = 18.71506921 + 2400.0513369 * T + (2.5862e-5 - 1.72e-9 * T) * T * T;
  double M  = InPi(TWO_PI * (0.993133 + 99.997361 * T));
  double L  = InPi(TWO_PI * (  0.7859453 + M / TWO_PI + (6893.0 * sin(M) + 72.0 * sin(2.0 * M) + 6191.2 * T) / 1296.0e3));
  double e = DEG_TO_RAD * (23.43929111 + (-46.8150 * T - 0.00059 * T * T + 0.001813 * T * T * T) / 3600.0);    // Neigung der Erdachse
  double RA = atan(tan(L) * cos(e));
  if (RA < 0.0) RA += PI;
  if (L > PI) RA += PI;
  RA = 24.0 * RA / TWO_PI;
  DK = asin(sin(e) * sin(L));
  RAm = 24.0 * InPi(TWO_PI * RAm / 24.0) / TWO_PI;
  double dRA = RAm - RA;
  if (dRA < -12.0) dRA += 24.0;
  if (dRA > 12.0) dRA -= 24.0;
  dRA = dRA * 1.0027379;
  return dRA ;
}

char* outputFormat(double sunTime) {
  if (sunTime < 0) sunTime += 24;
  else if (sunTime >= 24) sunTime -= 24;
  int8_t decimal = 60 * (sunTime - static_cast<int>(sunTime)) + 0.5;
  int8_t predecimal = sunTime;
  if (decimal >= 60) {
    decimal -= 60;
    predecimal++;
  }
  else if (decimal < 0) {
    decimal += 60;
    predecimal--;
    if (predecimal < 0) predecimal += 24;
  }
  static char buf[9];
  snprintf(buf, sizeof(buf), "%.2d:%.2d", predecimal, decimal);
  return buf;
}

// ****************************************************************
// Sketch Esp8266 Betriebsstundenzähler Modular(Tab)
// created: Jens Fleischer, 2019-07-21
// last mod: Jens Fleischer, 2020-09-22
// For more information visit: https://fipsok.de
// ****************************************************************
// Hardware: Esp8266
// Software: Esp8266 Arduino Core 2.6.0 - 3.1.2
// Getestet auf: Nodemcu, Wemos D1 Mini Pro
/******************************************************************
  Copyright (c) 2019 Jens Fleischer. All rights reserved.

  This file is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  This file is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
*******************************************************************/
// Diese Version von Betriebsstundenzähler sollte als Tab eingebunden werden.
// #include <FS.h> #include <ESP8266WebServer.h> müssen im Haupttab aufgerufen werden
// Die Funktionalität des ESP8266 Webservers ist erforderlich.
// Der LittleFS Tab ist zum ausführen des Betriebsstundenzähler einzubinden.
// Die Funktion "setupHobbsMeter();" muss im Setup aufgerufen werden.
/**************************************************************************************/

uint32_t totalmin;
uint16_t watt;

void setupHobbsMeter() {
  File file = LittleFS.open(existFolder("Config") + "/hobbs.json", "r");   // Betriebstunden(minuten) beim Neustart einlesen
  if (file) {
    char buf[file.size()];
    file.readBytes(buf, sizeof buf);
    totalmin = atoi(strtok(buf, "{\":runtime"));
    watt = atoi(strtok(NULL, "\":,wattage"));
    file.close();
  }
  server.on("/hobbs", HTTP_GET, []() {
    uint32_t power;
    if (server.argName(0) == "watt") {
      watt = server.arg(0).toInt();
      toSave();
    }
    if (server.argName(0) == "reset") {
      totalmin = 0;                                                         // Betriebsstundenzähler zurücksetzen
      toSave();
    }
    power = (watt * totalmin) / 6000;
    char buf[34];
    snprintf(buf, sizeof(buf), PSTR("[\"%d,%d\",\"%d\",\"%d,%d\"]"), totalmin / 60, totalmin / 6 % 10, watt, power / 10, power % 10);
    server.send(200, "application/json", buf);
  });
}

void hobbsMeter(const bool &state) {                                        // Aufrufen mit Pin Status
  static uint32_t lastmin, previousMillis[] {0, 0};
  uint32_t currentMillis {millis()};
  if (currentMillis - previousMillis[0] >= 6e4) {
    previousMillis[0] = currentMillis;
    if (state == ACTIVE) totalmin++;                                        // Betriebstundenzähler des Gerätes wird um eine Minute erhöht
  }
  if (currentMillis - previousMillis[1] >= 864e5 && totalmin != lastmin) {  // einmal am Tage Betriebsstunden in Datei schreiben wenn sich der Wert geändert hat
    previousMillis[1] = currentMillis;
    lastmin = totalmin;
    toSave();
  }
}

void toSave() {
  File file = LittleFS.open(existFolder("Config") + "/hobbs.json", "w");    // Betriebstunden(minuten) speichern
  if (file) {
    file.printf(R"({"runtime":"%u","wattage":"%d"})", totalmin, watt);
    file.close();
  }
}

Ein Taster kann optional angeschlossen werden.

// ****************************************************************
// Sketch Esp8266 Zeitschaltuhr Taster Modular(Tab)
// created: Jens Fleischer, 2019-12-27
// last mod: Jens Fleischer, 2021-08-23
// For more information visit: https://fipsok.de
// ****************************************************************
// Hardware: Esp8266
// D2 = GPIO4  Anschluss Taster vom GPIO4 auf GND
// Software: Esp8266 Arduino Core 2.4.2 - 3.1.2
// Getestet auf: Nodemcu, Wemos D1 Mini Pro
/******************************************************************
  Copyright (c) 2019 Jens Fleischer. All rights reserved.

  This file is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  This file is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
*******************************************************************/
// Diese Version von Zeitschaltuhr Taster sollte als Tab eingebunden werden.
// Die Funktion "button(pinState);" muss in "timerSwitch();" aufgerufen werden.
/**************************************************************************************/

constexpr uint8_t inputPIN {D2};                    // Pin für Taster einstellen

void button(bool &state) {                          // Aufrufen mit Pin Status
  pinMode(inputPIN, INPUT_PULLUP);                  // oder 10k Pullup-Widerstand von VCC zum inputPIN
  static bool previousStatus {0};
  static uint32_t debounceMillis;
  uint32_t currentMillis {millis()};
  if (currentMillis - debounceMillis >= 50) {       // 50 ms Taster Entprellzeit
    debounceMillis = currentMillis;
    bool currentStatus = digitalRead(inputPIN);
    if (!currentStatus && currentStatus != previousStatus) {
      state = !state;                               // Status toggeln
    }
    previousStatus = currentStatus;
  }
}

// ****************************************************************
// Sketch Esp8266 Zeitdatenlogger Modular(Tab)
// created: Jens Fleischer, 2019-03-31
// last mod: Jens Fleischer, 2023-01-11
// For more information visit: https://fipsok.de
// ****************************************************************
// Hardware: Esp8266
// Software: Esp8266 Arduino Core 2.6.0 - 3.1.2
// Getestet auf: Nodemcu, Wemos D1 Mini Pro, Sonoff Dual
/******************************************************************
  Copyright (c) 2019 Jens Fleischer. All rights reserved.

  This file is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  This file is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
*******************************************************************/
// Diese Version von Ereignisdatenspeicher sollte als Tab eingebunden werden.
// #include <LittleFS.h> muss im Haupttab aufgerufen werden
// Der Lokalzeit Tab ist zum ausführen des Zeitdatenlogger erforderlich.
// Der LittleFS Tab ist zum ausführen erforderlich.
/**************************************************************************************/

void timeDataLogger(const bool ACTIVE, const bool &state, const String &customer) {  // Ereignisauslöser
  static bool lastState {!ACTIVE};
  if (state != lastState) {                                                    // Prüft ob sich der Pin Status geändert hat.
    char fileName[18];
    snprintf(fileName, sizeof(fileName), "/%d_%s.csv", 1900 + tm.tm_year, MONTH_SHORT[tm.tm_mon]);
    if (!LittleFS.exists(existFolder("Data") + fileName)) {                    // Logdatei für den aktuellen Monat anlegen falls nicht vorhanden.
      File f = LittleFS.open(existFolder("Data") + fileName, "a");
      if (f) {
        f.printf("%s;An;Initiator;Aus;Initiator\n", MONTH_SHORT[tm.tm_mon]);   // Kopfzeile schreiben
      }
      f.close();
    }
    File f = LittleFS.open(existFolder("Data") + fileName, "a");               // Die Ereignisdaten für den aktuellen Monat speichern
    if (f) {
      state == ACTIVE ? f.printf("%d.;%s;%s;", tm.tm_mday, localTime().c_str(), customer.c_str()) : f.printf("%s;%s;\n", localTime().c_str(), customer.c_str());
    }
    f.close();
  }
  lastState = state;                                                           // Ersetzt den letzten Status durch den aktuellen Status.
}

<!DOCTYPE HTML> <!-- For more information visit: https://fipsok.de -->
<html lang="de">
  <head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<link rel="stylesheet" href="style.css">
	<title>ESP8266 Admin</title>
	<script>
	  addEventListener('load', () => {
		renew(), once();
		let output = document.querySelector('#note');
		let btn = document.querySelectorAll('button');
		let span = document.querySelectorAll('#right span'); 
		btn[0].addEventListener('click', () => {
		  location = '/fs.html';
		});
		btn[1].addEventListener('click', () => {
		  location = '/';
		});
		btn[2].addEventListener('click', check.bind(this, document.querySelector('input')));
		btn[3].addEventListener('click', re.bind(this, 'reconnect'));
		btn[4].addEventListener('click', () => {
		  if (confirm('Bist du sicher!')) re('restart');
		});
		async function once(val = '',arg) {
		  try {
			let resp = await fetch('/admin/once', { method: 'POST', body: val});
			let obj = await resp.json();
			output.innerHTML = '';
			output.classList.remove('note');
			document.querySelector('form').reset();
			if (val.length == 0) myIv = setInterval(renew, 1000);
			if (arg == 'reconnect') re(arg);
			span[3].innerHTML = obj['File'];
			span[4].innerHTML = obj['Build'];
			span[5].innerHTML = obj['SketchSize'];
			span[6].innerHTML = obj['SketchSpace'];
			span[7].innerHTML = obj['LocalIP'];
			span[8].innerHTML = obj['IPv6l'] ? obj['IPv6l'] : 'inaktiv';
			span[9].innerHTML = obj['IPv6g'] ? obj['IPv6g'] : 'inaktiv';
			span[10].innerHTML = obj['Hostname'];
			span[11].innerHTML = obj['SSID'];
			span[12].innerHTML = obj['GatewayIP'];
			span[13].innerHTML = obj['Channel'];
			span[14].innerHTML = obj['MacAddress'];
			span[15].innerHTML = obj['SubnetMask'];
			span[16].innerHTML = obj['BSSID'];
			span[17].innerHTML = obj['ClientIP'];
			span[18].innerHTML = obj['DnsIP'];
			span[19].innerHTML = obj['ResetReason'];
			span[20].innerHTML = obj['CpuFreqMHz'] + " MHz";
			span[21].innerHTML = obj['FreeHeap'];
			span[22].innerHTML = obj['HeapFrag'] + "%";
			span[23].innerHTML = obj['ChipSize'];
			span[24].innerHTML = obj['ChipSpeed'] + " MHz";
			span[25].innerHTML = obj['ChipMode'];
			span[26].innerHTML = obj['IdeVersion'].replace(/(\d)(\d)(\d)(\d)/,obj['IdeVersion'][3]!=0 ? '$1.$3.$4' : '$1.$3.');
			span[27].innerHTML = obj['CoreVersion'].replace(/_/g,'.');
			span[28].innerHTML = obj['SdkVersion'];
			Object.keys(obj).forEach(val => {
				if (obj[val].length > 25) document.querySelectorAll(`[data-${val}]`).forEach(el => {el.classList.add('ip')});
			});
		  } catch(err) {
			re();
		  }
		}
		async function renew() {
		  const resp = await fetch('admin/renew');
		  const array = await resp.json();
		  array.forEach((v, i) => {span[i].innerHTML = v});
		}
		function check(inObj) {
		  !inObj.checkValidity() ? (output.innerHTML = inObj.validationMessage, output.classList.add('note')) : (once(inObj.value, 'reconnect'));
		}
		function re(arg = '') {
		  clearInterval(myIv);
		  fetch(arg);
		  output.classList.add('note');
		  if (arg == 'restart') {
			output.innerHTML = 'Der Server wird neu gestartet. Die Daten werden in 15 Sekunden neu geladen.';
			setTimeout(once, 15000);
		  }
		  else if (arg == 'reconnect'){
			output.innerHTML = 'Die WiFi Verbindung wird neu gestartet. Daten werden in 10 Sekunden neu geladen.';
			setTimeout(once, 10000);
		  }
		  else {
			output.innerHTML = 'Es ist ein Verbindungfehler aufgetreten. Es wird versucht neu zu verbinden.';
			setTimeout(once, 3000);
		  }
		}
	  });
	</script>
  </head>
  <body>
	<h1>ESP8266 Admin Page</h1>
	<main>
	  <aside id="left">
		<span>Runtime ESP:</span>
		<span>WiFi RSSI:</span>
		<span>ADC/VCC:</span>
		<span>Sketch Name:</span>
		<span>Sketch Build:</span>
		<span>SketchSize:</span>
		<span>FreeSketchSpace:</span>
		<span>IPv4 Address:</span>
		<span data-ipv6l>Link-Local:</span>
		<span data-ipv6g>IPv6:</span>
		<span>Hostname:</span>
		<span>Connected to:</span>
		<span>Gateway IP:</span>
		<span>Channel:</span>
		<span>MacAddress:</span>
		<span>SubnetMask:</span>
		<span>BSSID:</span>
		<span data-clientip>Client IP:</span>
		<span>DnsIP:</span>
		<span>Reset Ground:</span>
		<span>CPU Freq:</span>
		<span>FreeHeap:</span>
		<span>Heap Fragmentation:</span>
		<span>FlashSize:</span>
		<span>FlashSpeed:</span>
		<span>FlashMode:</span>
		<span>Arduino IDE Version:</span>
		<span>Esp Core Version:</span>
		<span>SDK Version:</span>
	  </aside>
	  <aside id="right">
		<span>0</span>
		<div>
		  <span></span>
		  dBm
		</div>
		<span>0</span>
		<span>?</span>
		<span>0</span>
		<span>0</span>
		<span>0</span>
		<span>0</span>
		<span data-ipv6l>0</span>
		<span data-ipv6g>0</span>
		<span>?</span>
		<span>?</span>
		<span>0</span>
		<span>0</span>
		<span>0</span>
		<span>0</span>
		<span>0</span>
		<span data-clientip>0</span>
		<span>0</span>
		<span>0</span>
		<span>0</span>
		<span>0</span>
		<span>0</span>
		<span>0</span>
		<span>0</span>
		<span>0</span>
		<span>0</span>
		<span>0</span>
		<span>0</span>
	  </aside>
	</main>
	<div>
	  <button>Filesystem</button>
	  <button>Startseite</button>
	</div>
	<div id="note"></div>
	<div>
	  <form>
		<input placeholder="neuer Hostname" pattern="([A-Za-z0-9\-]{0,32})" title="Es dürfen nur Buchstaben (a-z, A-Z), Ziffern (0-9) und Bindestriche (-) enthalten sein. Maximal 32 Zeichen" required>
		<button type="button">Name Senden</button>
	  </form>
	</div>
	<div>
	  <button>WiFi Reconnect</button>
	  <button>ESP Restart</button>
	</div>
  </body>
</html>

<!DOCTYPE HTML> <!-- For more information visit: https://fipsok.de -->
<html lang="de">
  <head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<link rel="stylesheet" href="style.css">
	<title>Filesystem Manager</title>
	<script>
	  document.addEventListener('DOMContentLoaded', () => {
		list(JSON.parse(localStorage.getItem('sortBy')));
		btn.addEventListener('click', () => { if (!confirm(`Alle Daten gehen verloren.\nDu musst anschließend fs.html wieder laden.`)) event.preventDefault()});
	  });
	  async function list(by, to = '/'){
		let resp = await fetch(`?sort=${by}`);
		let json = await resp.json();
		let myList = document.querySelector('main'), noted = '';
		myList.innerHTML = '<nav><input type="radio" id="/" name="group"><label for="/"> &#128193;</label><span id="cr">+&#128193;</nav></span><span id="si"></span>';
		document.querySelector('form').setAttribute('action', `/upload?f=${to}`);
		for (var i = 0; i < json.length - 1; i++) {
		  let dir = '', f = json[i].folder, n = json[i].name, t = new Date(json[i].time*1000).toLocaleString();
		  if (f != noted) {
			noted = f;
			dir = `<nav><input type="radio" id="${f}" name="group"><label for="${f}"></label> &#128193; ${f} <a href="?delete=/${f}">&#x1f5d1;&#xfe0f;</a></nav>`;
		  }
		  if (n != '') dir += `<li><a title="Geändert: ${t}" href="${f}/${n}">${n}</a><small> ${json[i].size}</small><a href="${f}/${n}"download="${n}"> Download</a> or<a href="?delete=${f}/${n}"> Delete</a>`;
		  myList.insertAdjacentHTML('beforeend', dir);
		}
		myList.insertAdjacentHTML('beforeend', `<li><b id="so">${by ? '&#9660;' : '&#9650;'} LittleFS</b> belegt ${json[i].usedBytes.replace(".00", "")} von ${json[i].totalBytes.replace(".00", "")}`);
		var free = json[i].freeBytes;
		cr.addEventListener('click', () => {
		  document.getElementById('no').classList.toggle('no');
		});
		so.addEventListener('click', () => {
		  list(by = ++by % 2, to);
		  localStorage.setItem('sortBy', JSON.stringify(by));
		});
		fs.addEventListener('change', e => {
		  for (var bytes = 0, i = 0; i < e.target.files.length; i++) bytes += e.target.files[i].size;
		  for (var output = `${bytes} Byte`, i = 0, circa = bytes / 1024; circa > 1; circa /= 1024) output = circa.toFixed(2) + [' KB', ' MB', ' GB'][i++];
		  if (bytes > free) {
			si.innerHTML = `<li><b> ${output}</b><strong> Ungenügend Speicher frei</strong></li>`;
			up.setAttribute('disabled', 'disabled');
		  }
		  else {
			si.innerHTML = `<li><b>Dateigröße:</b> ${output}</li>`;
			up.removeAttribute('disabled');
		  }
		});
		let node = document.querySelectorAll('main input');
		node.forEach(n => { if (n.id === to) n.setAttribute('checked', 'checked')});
		node.forEach(n => {
		  n.addEventListener('change', e => {
			if (e.target.checked) {
			  to = e.target.id
			  document.querySelector('form').setAttribute('action', `/upload?f=${to}`);
			}
		  });
		});
		document.querySelectorAll('[href^="?delete=/"]').forEach(node => { node.addEventListener('click', () => { if (!confirm('Sicher!')) event.preventDefault()})});
		document.querySelectorAll('main input').forEach(n => { if (n.id === to) n.setAttribute('checked', 'checked')});
	  }
	</script>
  </head>
  <body>
	<h2>ESP8266 Filesystem Manager</h2>
	<form method="post" enctype="multipart/form-data">
	  <input id="fs" type="file" name="up[]" multiple>
	  <button id="up" disabled>Upload</button>
	</form>
	<form id="no" class="no" method="post">
	  <input name="new" placeholder="Ordner Name" pattern="[^\x22\/%&\\:;]{0,31}[^\x22\/%&\\:;\s]{1}" title="Zeichen &#8220; % & / : ; \  sind nicht erlaubt." required>
	  <button>Create</button>
	</form>
	<main></main>
	<form action="/format" method="post">
	  <button id="btn">Format LittleFS</button>
	</form>
  </body>
</html>

Die Webseite zur Singel Zeitschaltuhr.

<!DOCTYPE HTML> <!-- For more information visit: https://fipsok.de -->
<html lang="de">
  <head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<link rel="stylesheet" href="style.css">
	<title>Timer</title>
	<style>
	  main {
		background: linear-gradient(to right, #3b82a5 ,#333 5%, #333 95%, #3b82a5);
		padding:1em 1.5em;
		border-radius: 2em;
	  }
	  div button, input, #top, #below, #view, #option{
		background-color: #333;
	  }
	  main, button, input:checked+label {
		color: #15dfdf;
	  }
	  button, svg, time, [name^=bu], #reset, #sun {
		cursor: pointer;
	  }
	  input, #view, #option, #reset {
		border: solid #555;
	  }
	  div:not([id^="st"]) {
		display: flex;
		align-items: center;
	  }
	  div+[type="checkbox"] {
		margin-left: 1em;
	  }
	  div+span {
		display: flex;
		justify-content: space-evenly;
		margin-left: 1.7em;
	  }
	  span {
		padding: 0.5em;
	  }
	  svg {
		width: 3em;
	  }
	  time {
		font-size: 1.4em;
		font-weight: bold;
		text-shadow: 1px 1px 1px #777;
	  }
	  input {
		height: auto;
		width: auto;
		font-size: 3em;
		font-weight: bold;
		color: inherit;
		padding: 0;
	  }
	  label {
		font-style: italic;
		color: #777;
	  }
	  button {
		border: outset #999;
		width: 50%;
		margin: 0;
		box-shadow: none;
	  }
	  button:only-of-type {
		width: 25%;
	  }
	  [name^=bu] {
		width: 2em;
	  }
	  #top {
		justify-content: space-evenly;
		position: sticky;
		top: 0;
		z-index: 1;
	  }
	  #tip {
		position: sticky;
		top: 50%;
		z-index: 2;
		height: 0;
	  }
	  #option {
		align-items: flex-end;
	  }
	  #view, #option {
		position: sticky;
		flex-direction: column;
		top: 4.4em;
		margin-bottom: .3em;
		z-index: 1;
	  }
	  #watt {
		font-size: 1em;
		width: 2.6em;
		text-align: end;
	  }
	  #kwh {
		cursor: default;
		border: solid #f00;
		margin: .5em;
		padding: .3em;
	  }
	  #below {
		position: sticky;
		bottom: .1em;
		padding: .7em 0 .7em 0;
	  }
	  #sun {
		font-size: 2em;
		padding: .5em 0;
	  }
	  .dark {
		opacity: .5;
	  }
	  .edit, .noedit {
		justify-content: center;
		width: 100%;
		background-color: red;
		color: #fff;
		padding: 1em;
		border-radius: .5em;
	  }
	  .edit:after {
		content: 'Eingabe gespeichert';  
	  }
	  .noedit:after {
		content: 'Nur 4 Ziffern 0 - 9 eingeben';		 
	  }
	  .fix, .greyed {
		color: #666 !important;
	  }
	  .none {
		display: none !important;
	  }
	  @media only screen and (max-width: 600px) {
		input {
		  font-size: 2.2em;
		}
	  }
	</style>
	<script>
	  const d = document;
	  d.addEventListener('DOMContentLoaded', async () => {
		let resp = await fetch('/timer', {method: 'post'});
		let array = await resp.json();
		var buf = '';
		for (var i = 0; i < array.length; i++) {
		  buf += `<div id=st${i}><div><span name=bu>ON</span><input type="time">\u00A0--\u00A0<input type="time"></div><span>`;
		  ['Mo', 'Di', 'Mi', 'Do', 'Fr', 'Sa', 'So'].forEach(d => {buf += `<input type="checkbox" checked><label>${d} </label>`;});
		  buf += '</span></div>';
		}
		buf += '<div id="below"><button>&#9200; Zeiten Speichern</button><button>-</button></div>';
		d.querySelector('main').insertAdjacentHTML('beforeend', buf);
		buf = '';
		['Morgendämmerung', 'Sonnenaufgang', 'Sonnenuntergang', 'Abenddämmerung'].forEach((s, i) => {
		  buf += `<span>${s} <span id="sl${i}"></span><input type="checkbox" id="sr${i*2}"><label>Aus</label><input type="checkbox" id="sr${i*2+1}"><label>Ein</label></span>`;
		});
		d.querySelector('#option').insertAdjacentHTML('beforeend', buf);
		fill(array);
		renew(), renew('sun'), setInterval(renew, 1000);
		d.querySelector('main').classList.remove('none');
		btn = d.querySelectorAll(`button`);
		btn[0].addEventListener('click', renew.bind(this, 'tog'));
		btn[1].addEventListener('click', save);
		btn[2].addEventListener('click', renew.bind(this, 'fix'));
		node = d.querySelectorAll('[id^=sr]');
		node.forEach(el => {
		  el.addEventListener('change', () => {
			let i = event.target.id.slice(2, 3);
			i%2 == 0 ? node[++i].checked = false : node[--i].checked = false;
			setSun();
			let x = 0;
			node.forEach((el, i) => { if (el.checked) x = x | (1 << i) });
			renew('sun&select=' + x);
		  });
		});
		d.querySelectorAll(`[name=bu]`).forEach(el => {el.addEventListener('click', save)});
		d.querySelector('#reset').addEventListener('click', () => {if (confirm('Bist du sicher!')) hours('?reset=1');});
		d.querySelector('#watt').addEventListener('blur', () => {
		  let inObj = d.querySelector('#watt');
		  !inObj.checkValidity() ? out('noedit') : hours(`?watt=${parseInt(inObj.value)}`);
		});
		d.querySelector('time').addEventListener('click', () => { if (!d.getElementById('view').classList.toggle('none')) hours();});
		d.querySelector('svg').addEventListener('click', () => {window.location = '/fs.html';});
		sun.addEventListener('click', () => {d.getElementById('option').classList.toggle('none')});
	  });
	  function setSun() {
		let check = 0;
		node.forEach(el => { if (el.checked) ++check;});
		check ? sun.classList.remove('dark') : sun.classList.add('dark');
	  }
	  function out(arg) {
		let el = d.querySelector('#info').classList;
		el.add(arg);
		setTimeout(() => {
		  el.remove(arg);
		}, 4e3);
	  }
	  function fill(data) {
		data.forEach((v, i) => {
		  let c = d.querySelector(`#st${i} [name=bu]`);
		  c.textContent = (v[0] % 2 ? 'ON' : 'OFF');
		  d.querySelectorAll(`#st${i} [type=time]`).forEach((el, i) => { el.value = v[2+i]});
		  d.querySelectorAll(`#st${i} [type=checkbox]`).forEach((el, i) => {v[1] & (1 << i) ? el.checked = true : el.checked = false});
		  d.querySelectorAll(`#st${i}, #st${i} label`).forEach(el => {c.textContent == 'ON' ? el.classList.remove('greyed') : el.classList.add('greyed')});
		});
	  }
	  async function save() {
		if (this.type !== 'submit') this.textContent == 'ON' ? this.textContent = 'OFF' : this.textContent = 'ON';
		let form = new FormData(), data = [];
		d.querySelectorAll(`[id^=st]`).forEach(e => {
		  let x = 0, arr = [d.querySelector(`#${e.id} [name=bu]`).textContent == 'ON' ? '1' : '0'];
		  d.querySelectorAll(`#${e.id} [type=checkbox]`).forEach((el, i) => { if (el.checked) x = x | (1 << i) });
		  arr.push(x.toString());
		  d.querySelectorAll(`#${e.id} [type=time]`).forEach((el,i) => {arr.push(el.value != 0 ? el.value : 0)});
		  data.push(arr);
		});  
		form.append('dTime', JSON.stringify(data));	  
		const resp = await fetch('/timer', {method: 'post', body: form});
		resp.ok&&out('edit');
		const json = await resp.json();
		fill(json);
	  }
	  async function renew(arg = 'time') {
		const resp = await fetch(`timer?switch=${arg}`);
		const array = await resp.json();
		if (arg.startsWith('sun')) {
		  resp.ok&&arg.startsWith('sun&')&&out('edit');
		  array[0].forEach((el, i) => { d.getElementById(`sl${i}`).innerHTML = el;});					
		  d.querySelectorAll('[id^=sr]').forEach((el, i) => {array[1] & (1 << i) ? el.checked = true : el.checked = false});
		  setSun();
		}else {
		  d.querySelector('polygon').style.fill = array[0] == 0 ? '#eee' : '#ff0';
		  btn[0].innerHTML = array[0] == 1 ? '&#9995; ON' : '&#9995; OFF';
		  d.querySelector('time').innerHTML = array[1];
		  btn[2].innerHTML = array[2] == 1 ? '&#10006; Auto inaktiv' : '&#9203; Auto aktiv';
		  d.querySelectorAll(`div:not([id="top"]), label`).forEach(el => {array[2] == 0 ? el.classList.remove('fix') : el.classList.add('fix')});
		}
	  }
	  async function hours(arg = '') {
		const resp = await fetch(`hobbs${arg}`);
		resp.ok&&arg.startsWith('?')&&out('edit');
		const data = await resp.json();
		d.querySelector('strong').innerHTML = data[0] + ' h';
		d.getElementById('watt').value = data[1];
		d.getElementById('kwh').innerHTML = data[2] + ' kWh';
	  }
	</script>
  </head>
  <body>
	<main class="none">
	  <div id="top">
		<button>ON</button>	
		<svg viewBox="0 0 12 15">
		  <polygon points="10.421,6.754 6.498,6.75 12.058,2.357 9.734,2.357 1.687,8.436 5.584,8.436 0,14.02"></polygon>
		</svg>
		<time>00:00:00</time>
		<span id="sun" class="dark">
		  &#9728;&#65039;
		</span>
	  </div>
	  <div id="tip"><div id="info"></div></div>
	  <div id="view" class="none">
		<span>Betriebsstunden <strong></strong></span>
		<span>Verbrauch bei <input id="watt" pattern="[0-9]{1,4}"> Watt <span id="kwh"></span></span>
		<span id="reset">&#10060; Zähler zurücksetzen</span>
	  </div>
	  <div id="option" class="none"></div>
	</main>
  </body>
</html>	

/* For more information visit:https://fipsok.de */
body {
	font-family: sans-serif;
	background-color: #87cefa;
	display: flex;
	flex-flow: column;
	align-items: center;
}
h1,h2 {
	color: #e1e1e1;
	text-shadow: 2px 2px 2px black;
}
li {
	background-color: #feb1e2;
	list-style-type: none;
	margin-bottom: 10px;
	padding: 2px 5px 1px 0;
	box-shadow: 5px 5px 5px rgba(0,0,0,0.7);
}
li a:first-child, li b {
	background-color: #8f05a5;
	font-weight: bold;
	color: white;
	text-decoration:none;
	padding: 2px 5px;
	text-shadow: 2px 2px 1px black;
	cursor:pointer;
}
li strong {
	color: red;
}
input {
	height:35px;
	font-size:14px;
	padding-left: .3em;
}
input:not(:placeholder-shown):invalid{
	color:red;
}
label + a {
	text-decoration: none;
}
h1 + main {
	display: flex;
}
aside {
	display: flex;
	flex-direction: column;
	padding: 0.2em;
}
button {
	height:40px;
	width:130px;
	font-size:16px;
	margin-top: 1em;
	box-shadow: 5px 5px 5px rgba(0,0,0,0.7);
}
div button {
	background-color: #7bff97;
}
nav {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
}
#left {
	align-items:flex-end;
	text-shadow: 0.5px 0.5px 1px #757474;
}
#cr {
	font-weight: bold;
	cursor:pointer;
	font-size: 1.5em;
}
#up {
	width: auto; 
}
.note {
	background-color: #fecdee;
	padding: 0.5em;
	margin-top: 1em;
	text-align: center;
	max-width: 320px;
	border-radius: 0.5em;
}
.no {
	display: none;
}
form [title] {
	background-color: skyblue;
	font-size: 1em;
	width: 120px;
}
form:nth-of-type(2) {
	margin-bottom: 1em;
}
[value*=Format] {
	margin-top: 1em;
	box-shadow: 5px 5px 5px rgba(0,0,0,0.7);
}
[name="group"] {
	display: none;
}
[name="group"] + label {
	font-size: 1.5em;
	margin-right: 5px;
}
[name="group"] + label::before {
	content: "\002610";
}
[name="group"]:checked + label::before {
	content: '\002611\0027A5';
}
@media only screen and (max-width: 500px) {
	.ip {
		right: 6em;
		position: relative;
	}
	aside {
		max-width: 50vw;
	}
}