Add light version without display, button and clock

greenhouseheating.ino

@@ -2,7 +2,6 @@
 #include <Arduino.h>
 #include <Thread.h>                    // ArduinoThread
 #include <DHT.h>                       // DHT Sensor Library by Adafruit 1.2.3 (!!! 1.3 not working)
-#include <OneWire.h>                   // DS18B20 temp sensor
 #include <DS1307RTC.h>                 // A basic DS1307 library that returns time as a time_t
 #include <SevenSegmentExtended.h>      // Extended TM1637 library https://github.com/bremme/arduino-tm1637
 
@@ -195,4 +194,4 @@ void serStr(const char* serString) {
   Serial.write('/');
   Serial.print(year());
   Serial.println();
-}
+}