[Update]: Manual

Update Readme

LichtWecker/Alarm.ino

@@ -1,9 +1,10 @@
+//Test if Alarm was triggerd and start Alarm, test if Alarm Time should be changed (Summer/Winter Time)
 void run_alarm(long currentMillis){
   if (test_alarm())
   {
     write_log("Start Alarm");
     start_wake_light(currentMillis);
-    setAlarmTimer(15);
+    setAlarmTimer(wakeup_time + 5);
   }
   else{
     if (run_wake_up(currentMillis)){
@@ -22,6 +23,7 @@ void run_alarm(long currentMillis){
   }
 }
 
+//Stop Alarm if timeout reached
 void stop_alarm(){
   write_log("Stop Alarm");
   stop_wake_light();
@@ -29,7 +31,7 @@ void stop_alarm(){
   setAlarmTimer(0);
 }
 
-
+//Set Alarm Timeout to stop alarm if nobody is at home
 void setAlarmTimer(int Minutes){
   if (Minutes == 0)
   {
@@ -42,6 +44,7 @@ void setAlarmTimer(int Minutes){
   }
 }
 
+//Test if timeout reached
 void handleSleep(long intervall, long currentMillis){
   if(time_on < 0){
     return;
@@ -53,7 +56,7 @@ void handleSleep(long intervall, long currentMillis){
 }
 
 //####################################################################################################
-
+//Turn Alarm on/off
 void switch_alarm_mode(){
   bool A1 = Clock.checkAlarmEnabled(1);
   bool A2 = Clock.checkAlarmEnabled(2);
@@ -93,7 +96,7 @@ void switch_alarm_mode(){
   }
   delay_gui(1000);
 }
-
+//Enter Alarm Menu
 void set_alarm_item(){
   if (setItem == 0)
   {
@@ -110,7 +113,7 @@ void set_alarm_item(){
       setItem = 0;
   }
 }
-
+//Get Alarm Info for Display
 String get_alarm_string(){
   String alarm_string_1 = "";
   String alarm_string_2 = "";
@@ -132,7 +135,7 @@ String get_alarm_string(){
 }
 
 //####################################################################################################
-
+//Test if Alarm is triggerd
 bool test_alarm(){
   bool A1 = Clock.checkIfAlarm(1);
   bool A2 = Clock.checkIfAlarm(2);
@@ -173,7 +176,7 @@ void add_al2_minute(int i){
   }
 }
 
-
+//Save Alarm 1
 void set_alarm1(){
   int al1h_utc = al1h;
   if (summertime_EU(y,M,d,h,1))
@@ -193,7 +196,7 @@ void set_alarm1(){
   //delay_gui(1000); 
 }
 
-
+//Save Alarm 2
 void set_alarm2(){
   int al2h_utc = al2h;
   if (summertime_EU(y,M,d,h,1))

LichtWecker/LichtWecker.ino

@@ -1,4 +1,4 @@
-// Including the ESP8266 WiFi library
+// Including the ESP8266 WiFi library and other dependencies
 #include <ESP8266HTTPClient.h>
 #include <ESP8266WiFi.h>
 #include <WiFiClient.h>
@@ -15,14 +15,28 @@
 #include <NTPtimeESP.h>           //https://github.com/SensorsIot/NTPtimeESP
 #include <EEPROM.h>
 
-String Hardware = "0.10";
-String Software = "0.07";
+//Default Settings
+String Hardware = "0.12";
+String Software = "0.14";
+
 String ntp_server = "ntp2.uni-augsburg.de";
+bool ntp_update = true;
+int wakeup_time = 10;
+String message_text = "";
+//ConfigData (WiFi Name and Pin-Numbers)
+const String NodeName = "LichtWecker";
+
+//Pin Taster
+const int pinTime = 3; //Pin fuer Toggle_Power und Einstellen der Uhrzeit (Lang)
+const int pinSet = 0; //Pin fuer Sleep und Zeit_Einstellung im Alarm/Time Set Mode
+const int pinAlarm = 2; //Pin fuer Alarm An/Aus und setzen der Alarmzeiten (Lang)
+//Pin Relay
+const int outBeep = 9;
+
 
 // Set web server port number to 80
 ESP8266WebServer server(80);
 ESP8266HTTPUpdateServer httpUpdater;
-
 //LED Band Setup
 #define FASTLED_ESP8266_RAW_PIN_ORDER
 #include "FastLED.h"
@@ -33,34 +47,19 @@ ESP8266HTTPUpdateServer httpUpdater;
 #define CLOCK_PIN 13
 // This is an array of leds.  One item for each led in your strip.
 CRGB leds[NUM_LEDS];
-
 //RealTimeClock
 RTClib RTC;
 DS3231 Clock;
 //NTP Setup
 NTPtime NTPch(ntp_server);   // Choose server pool as required
-
 //Display
 LiquidCrystal_I2C lcd(0x3f, 16, 2);
 
-//ConfigData (WiFi Name and Pin-Numbers)
-const String NodeName = "LichtWecker";
-//Pin Taster
-const int pinTime = 3; //Pin fuer Toggle_Power und Einstellen der Uhrzeit (Lang)
-const int pinSet = 0; //Pin fuer Sleep und Zeit_Einstellung im Alarm/Time Set Mode
-const int pinAlarm = 2; //Pin fuer Alarm An/Aus und setzen der Alarmzeiten (Lang)
-
-//Pin Relay
-const int outBeep = 9;
-
+//Helpers
 //To know if connected to wifi or not:
 bool wifi_connected = false;
-
-bool ntp_update = true;
-
 //For Summertime change notification (change alarmtime) this should be saved in the EEPROM!
 bool summer = false;
-
 //Alarm Started?
 bool alarm_started = false;
 long startTime = 0;
@@ -74,7 +73,6 @@ int al2m = 0;
 //Alarm run Counter
 long time_on = -1;
 int minutes_sleep = -1;
-
 //Current Date and Time from RTC
 int h = 0;
 int m = 0;
@@ -84,24 +82,24 @@ int M = 0;
 int y = 0;
 char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
 String dow = "-";
-
-
+//Current Menu Item
 int setItem = 0;
-
+//Display is not updated (for block_gui Secondes)
 long block_gui = -1;
-
+//Counting Mills
 long previousMillis = 0;
 
+//If not Connected to Wifi
 void configModeCallback (WiFiManager *myWiFiManager) {
   //if you used auto generated SSID, print it
   //write_log(myWiFiManager->getConfigPortalSSID());
   display_text("Wifi: Licht","PW: Wecker");
 }
 
+//Initial Code
 void setup() {
   Serial.begin(115200);
   delay(10);
-  
   //Setup Display
   // Initialise the LCD
   lcd.begin(4,5);  // sda=0, scl=2
@@ -230,29 +228,47 @@ void setup() {
 
 
 void loop() {
+  //Handle web requests
   handle_webserver();
   unsigned long currentMillis = millis();
   unsigned long intervall = currentMillis - previousMillis;
   
+  update_display(currentMillis,intervall);
+  
+  //Test Input-Pin pressed
+  test_pin();
+  //Handle Sleep Timer timeout
+  handleSleep(intervall, currentMillis);
+  //Test time every hour
+  if(m == 1 && s == 30)
+  {
+    update_time_from_web();
+  }
+  //Delay for Wifi Tasks
+  delay(100);
+}
+
+void update_display(){
+  unsigned long currentMillis = millis();
+  unsigned long intervall = currentMillis - previousMillis;
+  update_display(currentMillis,intervall);
+}
+
+void update_display(unsigned long currentMillis, unsigned long intervall){
+  //Unblock Display (if block_gui was set)
   release_gui(currentMillis);
 
-  // put your main code here, to run repeatedly:
   if(setItem == 0){
+    //Run normal
     update_Time();
     run_alarm(currentMillis);
     if (block_gui < 0)
       show_current_time(intervall,currentMillis);
    }
    else{
+    //Show Menu
     show_time_infos(intervall,currentMillis);
     previousMillis = currentMillis;
    }
-  test_pin();
-  handleSleep(intervall, currentMillis);
-  if(m == 1 && s == 30)
-  {
-    update_time_from_web();
-  }
-  delay(100);
 }
 

LichtWecker/Uhr.ino

@@ -1,3 +1,4 @@
+//Show current Time and Date on display
 void show_current_time(long intervall, long currentMillis){
   if(intervall > 16000){
     previousMillis = currentMillis;
@@ -45,7 +46,7 @@ void show_time_infos(long intervall, long currentMillis){
 
 
 //####################################################################################################
-//Setup
+//Enter Time Menu
 void switch_set_item(){
     setItem = setItem + 1;
     if(setItem > 6)
@@ -119,7 +120,7 @@ void update_Time(){
 void display_year(int Day, int Month, int Year){
   display_text("Jahr", String(Year));
 }
-
+int current_Sec = 0;
 void display_time(int Stunde, int Minute, int Sekunde){
   String Min = String(Minute);
   String Stu = String(Stunde);
@@ -167,9 +168,19 @@ void display_time(int Stunde, int Minute, int Sekunde){
   /*else if (Sekunde % 2 == 0){
       display_text(Stu + ":" + Min, get_alarm_string());
   }*/
+  else if(message_text != ""){
+    display_text(Stu + ":" + Min + ":" + Sek, message_text);
+    setBrightnes(true);
+    if (alarm_started == false){
+      if (Sekunde % 2 == 0 && Sekunde != current_Sec){
+        set_color(0, 0, 255);
+      }
+    }
+  }
   else{
     display_text(Stu + ":" + Min + ":" + Sek, get_alarm_string());
   }
+  current_Sec = Sekunde;
 }
 
 void display_date(int Day, int Month, int Year){

LichtWecker/beeper.ino

@@ -1,3 +1,4 @@
+//Start Wakeup sound
 void run_wake_up_beep(long currentMillis){
   if (alarm_started == true)
   {
@@ -10,10 +11,12 @@ void run_wake_up_beep(long currentMillis){
     //}
   } 
 }
-
+//Stop Sound
 void stop_alarm_beep(){
   beepOff();
 }
+//############################################################################################
+//Helpers
 
 void toggle_alarm_beep(){
   int currentState = digitalRead(outBeep);

LichtWecker/display.ino

@@ -1,6 +1,7 @@
-
+//Helpers
 String current_string = "";
 
+//Display Text
 void display_text(String text1, String text2){
   if (current_string != text1 + text2){
     //write_log("Display:");
@@ -18,11 +19,11 @@ void display_text(String text1, String text2){
     current_string = text1 + text2;
   }
 }
-
+//Calculate space
 int freespace(String text){
   if (text.length() > 14)
   {
-    return 1;
+    return 0;
   }
   else{
     int freespace = 16 - text.length();

LichtWecker/eeprom.ino

@@ -5,15 +5,21 @@ uint addr = 0;
 struct {
   bool summertime = false;
   bool ntp_update = true;
+  int wakeup_time = 10;
+  char ntp_server[22] = "ntp2.uni-augsburg.de";
 } data;
 
 void write_eeprom(){
-  EEPROM.begin(512);
+  EEPROM.begin(1024);
   // load EEPROM data into RAM, see it
   data.summertime = summer;
   data.ntp_update = ntp_update;
+  data.wakeup_time = wakeup_time;
+  ntp_server.toCharArray(data.ntp_server,22);
   write_log("Writing to EEPROM: "+String(data.summertime)); 
   write_log("Writing to EEPROM: "+String(data.ntp_update));
+  write_log("Writing to EEPROM: "+String(data.wakeup_time));
+  write_log("Writing to EEPROM: "+String(data.ntp_server)); 
   // replace values in EEPROM
   EEPROM.put(addr,data);
   EEPROM.commit();
@@ -21,12 +27,25 @@ void write_eeprom(){
 }
 
 bool get_eeprom(){
-  EEPROM.begin(512);
+  EEPROM.begin(1024);
   EEPROM.get(addr,data);
-  write_log("Found: "+String(data.summertime));  
-  write_log("Found: "+String(data.ntp_update));  
+  write_log("Read: "+String(data.summertime));
+  write_log("Read: "+String(data.ntp_update));
+  write_log("Read: "+String(data.wakeup_time));
+  write_log("Read: "+String(data.ntp_update));
   EEPROM.end();
   summer = data.summertime;
   ntp_update = data.ntp_update;
+  wakeup_time = data.wakeup_time;
+  ntp_server = data.ntp_server;
+}
+
+
+void reset_eeprom(){
+  summer = false;
+  ntp_update = true;
+  wakeup_time = 10;
+  ntp_server = "ntp2.uni-augsburg.de";
+  write_eeprom();
 }
 

LichtWecker/light.ino

@@ -7,7 +7,7 @@ void show_white(){
       leds[i] = CRGB::White;
     }
     FastLED.show(); 
-    write_log("Light: WHITE");
+    //write_log("Light: WHITE");
 }
 
 //Show LED Colors
@@ -33,7 +33,7 @@ void show_green(){
     FastLED.show(); 
     write_log("Light: GREEN");
 }
-
+//Set LED Color to RGB Value
 void set_color(int r, int g, int b){
   FastLED.addLeds<WS2801, DATA_PIN, CLOCK_PIN, RBG>(leds, NUM_LEDS);
   for(int i=0; i < NUM_LEDS; i = i+1 )
@@ -46,19 +46,25 @@ void set_color(int r, int g, int b){
   //write_log(String(b));
   //write_log(String(g));
 }
-
+//Run Color movement for Alarm
 bool run_wake_up(long currentMillis){
   if (alarm_started == true)
   {
     long delta = (currentMillis - startTime)/1000;
-    if (delta < 220){
-      set_color(30 + int(delta), int(delta)/4, 0);
+    long max_wake_time = wakeup_time *60; //Calculate Wakeuptime in Seconds
+    int maxvalue = int(220/(max_wake_time/3));
+    
+    if (delta < (max_wake_time/3)){
+      int color_time = delta * maxvalue;
+      set_color(30 + int(color_time), int(color_time)/4, 0);
     }
-    else if(delta < 405){
-      set_color(255, int(delta - 220)+55, int((delta - 220)/4));
+    else if((delta < ((max_wake_time/3)*2))){
+      int color_time = (delta - (max_wake_time/3)) * maxvalue;
+      set_color(255, int(color_time)+30, int((color_time)/4));
     }
-    else if(delta < 605){
-      set_color(255, 255, int((delta - 405))+55);
+    else if(delta < max_wake_time){
+      int color_time = (delta - ((max_wake_time/3)*2)) * maxvalue;
+      set_color(255, 255, int((color_time))+30);
     }
     else{
       if (delta % 2 == 0){
@@ -78,7 +84,7 @@ bool run_wake_up(long currentMillis){
   }
   return false;  
 }
-
+//Toggle Light Full/Off
 void switch_lamp(){
   if(lamp_on == false){
     lamp_on = true;
@@ -89,7 +95,7 @@ void switch_lamp(){
     show_black();
   }
 }
-
+//Start Alarm Light
 void start_wake_light(long currentMillis){
   if (alarm_started == false)
   {
@@ -98,7 +104,7 @@ void start_wake_light(long currentMillis){
     set_color(30, 0, 0);
   }
 }
-
+//Turn of Alarm Light
 void stop_wake_light(){
   if (alarm_started == true)
   {

LichtWecker/ntp.ino

@@ -17,7 +17,7 @@ void update_time_from_web(){
       byte actualMonth = dateTime.month;
       byte actualday =dateTime.day;
       byte actualdayofWeek = dateTime.dayofWeek;
-      if (actualMinute != m && actualday != 7 && actualMonth != 2 && actualyear != 2036){
+      if (actualMinute != m && actualday != 7 && actualMonth != 2 && actualyear != 2036 && actualHour != 0){
         h = actualHour;
         m = actualMinute;
         s = actualsecond;

LichtWecker/pinInput.ino

@@ -1,10 +1,11 @@
+//Test if button pressed
 void test_pin(){
   handle_Time_switch();
   handle_Set_switch();
   handle_Alarm_switch();
 }
 
-
+//If Alarm switch pressed
 void handle_Alarm_switch(){
   int state = digitalRead(pinAlarm);
   if(state == LOW && setItem == 0) {
@@ -19,9 +20,15 @@ void handle_Alarm_switch(){
       {
         stop_alarm();
       }
+      else{
+        //Delete Message
+        if(message_text != ""){
+          message_text = "";
+        }
         else{
           switch_alarm_mode();
         }
+      }
       delay(200);
     }
   }
@@ -31,19 +38,29 @@ void handle_Alarm_switch(){
   }
 }
 
-
+//If Set switch pressed
 void handle_Set_switch(){
   int state = digitalRead(pinSet);
   if (state == LOW && setItem > 0){
       set_time();
       delay(200);
   }
-  else if (state == LOW && setItem == 0){
+  else if(state == LOW && setItem == 0) {
+    int presstime = get_pin_delay(pinSet);
+    if (presstime > 10){
+      //Do some Stuff here
+      
+      delay(200);
+      wait_to_release(pinSet);
+    }
+    else{
       switch_lamp();
       delay(200);
     }
+  }
 }
 
+//If Time switch pressed
 void handle_Time_switch(){
   int state = digitalRead(pinTime);
   if(state == LOW && setItem == 0) {
@@ -64,24 +81,27 @@ void handle_Time_switch(){
   }
 }
 
-
+//Helper for long-press
 int get_pin_delay(int pin){
   int state = digitalRead(pin);
   int delay_count = 0;
   while(state == LOW && delay_count < 11)
   {
     state = digitalRead(pin); 
+    update_display();
     delay(100);
     delay_count = delay_count +1;
   }
   return delay_count;
 }
 
+//Helper for long-press
 void wait_to_release(int pin){
   int state = digitalRead(pin);
   while(state == LOW)
   {
     state = digitalRead(pin);
+    update_display();
     delay(100);
   }
 }

LichtWecker/webserver.ino

@@ -1,3 +1,4 @@
+//Helpers
 String logfile = "";
 //Webserver
 //###################################################################################
@@ -52,6 +53,23 @@ void handleArgs(){
           write_eeprom();
         }
       }
+      redirect();
+      break;
+    }
+    else if (server.argName(i) == "ntp_server"){
+      if (server.arg(i) != ""){
+        ntp_server = server.arg(i);
+        write_eeprom();
+      }
+      redirect();
+      break;
+    }
+    else if(server.argName(i) == "wakeup_time"){
+      if (server.arg(i) != ""){
+        wakeup_time = server.arg(i).toInt();
+        write_eeprom();
+      }
+      redirect();
       break;
     }
     else if(server.argName(i) == "a1"){
@@ -61,6 +79,7 @@ void handleArgs(){
       else if (server.arg(i) == "false"){
         Clock.turnOffAlarm(1);
       }
+      redirect();
       break;
     }
     else if(server.argName(i) == "a2"){
@@ -70,18 +89,28 @@ void handleArgs(){
       else if (server.arg(i) == "false"){
         Clock.turnOffAlarm(2);
       }
+      redirect();
       break;
     }
     else if(server.argName(i) == "al1h" && server.argName(i +1) == "al1m"){
       al1h = server.arg(i).toInt();
       al1m = server.arg(i+1).toInt();
       set_alarm1();
+      redirect();
       break;
     }
     else if(server.argName(i) == "al2h" && server.argName(i +1) == "al2m"){
       al2h = server.arg(i).toInt();
       al2m = server.arg(i+1).toInt();
       set_alarm2();
+      redirect();
+      break;
+    }
+    else if (server.argName(i) == "news"){
+      if (server.arg(i) != ""){
+        message_text = server.arg(i);
+      }
+      redirect();
       break;
     }
     else if(server.argName(i) == "reset" && server.arg(i) == "true"){
@@ -89,6 +118,13 @@ void handleArgs(){
       ESP.restart();
       break;
     }
+    else if(server.argName(i) == "factory_reset" && server.arg(i) == "true"){
+      reset_eeprom();
+      print_reset();
+      delay(1000);
+      ESP.restart();
+      break;
+    }
   }
   print_website();
 }
@@ -102,11 +138,13 @@ void print_website(){
   bool A2 = Clock.checkAlarmEnabled(2);
   String Alarm1 = "<b>Alarm 1:</b> <form action=\"/\" methode=\"get\"><input type=\"number\" name=\"al1h\" value=\"" + String(al1h) + "\">:<input type=\"number\" name=\"al1m\" value=\"" + String(al1m) + "\"><input type=\"submit\" value=\"Speichern\"></form> Sommerzeit: " + getBoolString(summer) + "<br>Aktiv: " + getBoolString(A1) + "<br><a href=\"?a1=true\">Aktivieren</a> " + "&nbsp;&nbsp;<a href=\"?a1=false\">Deaktivieren</a>";
   String Alarm2 = "<b>Alarm 2:</b> <form action=\"/\" methode=\"get\"><input type=\"number\" name=\"al2h\" value=\"" + String(al2h) + "\">:<input type=\"number\" name=\"al2m\" value=\"" + String(al2m) + "\"><input type=\"submit\" value=\"Speichern\"></form> Sommerzeit: " + getBoolString(summer) + "<br>Aktiv: " + getBoolString(A2) + "<br><a href=\"?a2=true\">Aktivieren</a> " + "&nbsp;&nbsp;<a href=\"?a2=false\">Deaktivieren</a>";
-  String Alarm = "<h3>Alarm</h3>" + Alarm1 + "<br><br>" + Alarm2;
+  String Weckzeit = "<b>Weckdauer (Minuten):</b> <form action=\"/\" methode=\"get\"><input type=\"number\" name=\"wakeup_time\" value=\"" + String(wakeup_time) + "\"><input type=\"submit\" value=\"Speichern\"></form>";
+  String Alarm = "<h3>Alarm</h3>" + Alarm1 + "<br><br>" + Alarm2 + "<br><br>" + Weckzeit;
   String Zeit = "<br><h3>Zeit</h3>" + String(h) + ":" + String(m) + ":" + String(s) + " - " + String(d) + "." + String(M) + "." + String(y) + " | DST: " + String(summertime_EU(y,M,d,h,1));
-  String NTP = "<br><h3>NTP</h3>" + String("st&uuml;ndliches Zeit Update &uuml;ber " + ntp_server + ": ") + getBoolString(ntp_update) + "<br><a href=\"?ntp=true\">Aktivieren</a> " + "&nbsp;&nbsp;<a href=\"?ntp=false\">Deaktivieren</a>";
-  String Reboot = "<br><h3>System:</h3><a href=\"?reset=true\">Neustart</a><br><br><a href=\"update\">Software Update Modus</a>";
-  String Body = card_start + Alarm + card_end + card_start + Zeit + card_end + card_start + NTP + card_end + card_start + Reboot + card_end;
+  String News = "<br><h3>Nachricht</h3>Diese Nachricht wird auf dem Display angezeigt!<br><form action=\"/\" methode=\"get\"><input type=\"text\" name=\"news\" value=\"" + String(message_text) + "\"><input type=\"submit\" value=\"Speichern\"></form><br>";
+  String NTP = "<br><h3>NTP</h3><b>Server:</b> <form action=\"/\" methode=\"get\"><input type=\"text\" name=\"ntp_server\" value=\"" + String(ntp_server) + "\"><input type=\"submit\" value=\"Speichern\"></form><br>st&uuml;ndliches Zeit Update: " + getBoolString(ntp_update) + "<br><a href=\"?ntp=true\">Aktivieren</a> " + "&nbsp;&nbsp;<a href=\"?ntp=false\">Deaktivieren</a>";
+  String Reboot = "<br><h3>System:</h3><a href=\"?reset=true\">Neustart</a><br><br><a href=\"update\">Software Update Modus</a><br><br><a href=\"?factory_reset=true\">Werkseinstellungen</a><br><br><a href=\"log\">Log</a><br><br><a href=\"https://homemanager.mittring-mering.de/git/chm/Licht_Wecker\">Weitere Informationen</a><br><br><a href=\"http://christian.mittring-mering.de/index.php?page=kontakt\">Support</a>";
+  String Body = card_start + Alarm + card_end + card_start + News + card_end + card_start + NTP + card_end + card_start + Reboot + card_end;
   server.send(200, "text/html", Header + Body + Footer);
 }
 
@@ -116,6 +154,11 @@ void print_reset(){
   delay(500);
 }
 
+void redirect(){
+  String redirect = "<head><meta http-equiv=\"refresh\" content=\"0; URL=/\" /></head>";
+  server.send(200, "text/html", redirect);
+  delay(50);
+}
 //Helpers
 //####################################################################################
 String getBoolString(bool value){

README.md

@@ -1,3 +1,27 @@
 # Licht_Wecker
 
 Licht Wecker für die Bradls
+
+## Verwendete Bauteile:
+NodeMcu ESP8266
+I2C LCD Display 1602
+DS3231 Real Time Clock Modul
+30 WS2801 LED’s
+MP3 Sound Modul 3W
+
+## Pin-Verschaltung:
+### Taster (geschaltet gegen GND):
+TIME: GPIO 3
+SET: GPIO 0
+ALARM: GPIO 2
+### Sound Modul (5V Spannungsversorung über Transistor)
+ 	GPIO 9
+### LCD:
+	SDA: GPIO 4
+	SDC: GPIO 5
+### DS3231:
+	SDA: GPIO 4
+	SDC: GPIO 5
+### WS2801:
+	DATA_PIN: GPIO 14
+	CLOCK_PIN: GPIO 13