Light Dependent Resistor to control screen status

printermonitor/Settings.h

@@ -92,14 +92,17 @@ boolean DISPLAYCLOCK = true;   // true = Show Clock when not printing / false =
 // Display Settings
 const int I2C_DISPLAY_ADDRESS = 0x3c; // I2C Address of your Display (usually 0x3c or 0x3d)
 const int SDA_PIN = D2;
-const int SCL_PIN = D5; // original code D5 -- Monitor Easy Board use D1
+const int SCL_PIN = D3; // original code D5 -- Monitor Easy Board use D1
 boolean INVERT_DISPLAY = false; // true = pins at top | false = pins at the bottom
 //#define DISPLAY_SH1106       // Uncomment this line to use the SH1106 display -- SSD1306 is used by default and is most common
 
 // LED Settings
 const int externalLight = LED_BUILTIN; // LED will always flash on bootup or Wifi Errors
 boolean USE_FLASH = true; // true = System LED will Flash on Service Calls; false = disabled LED flashing
 
+//Light Dependant Resistor (LDR) Port
+const int ldrPin = A0;
+
 // PSU Control
 boolean HAS_PSU = false; // Set to true if https://github.com/kantlivelong/OctoPrint-PSUControl/ in use
 

printermonitor/printermonitor.ino

@@ -84,6 +84,9 @@ String lastSecond = "xx";
 String lastReportStatus = "";
 boolean displayOn = true;
 
+//LDR Status
+int ldrStatus =0;
+
 // Printer Client
 #if defined(USE_REPETIER_CLIENT)
   RepetierClient printerClient(PrinterApiKey, PrinterServer, PrinterPort, PrinterAuthUser, PrinterAuthPass, HAS_PSU);
@@ -394,7 +397,7 @@ void loop() {
   }
 
   checkDisplay(); // Check to see if the printer is on or offline and change display.
-
+  lightOn(); //Check if the lights are on
   ui.update();
 
   if (WEBSERVER_ENABLED) {
@@ -405,6 +408,20 @@ void loop() {
   }
 }
 
+void lightOn() {  //Check LDR status
+  ldrStatus = analogRead(ldrPin);
+  if(ldrStatus>=250){  //Change this value to change the sensitivity of the LDR
+    Serial.print("LDR value will turn on screen");
+  DISPLAYCLOCK = true;
+  //enableDisplay(true);
+  }
+  else{
+    Serial.print("LDR will NOT turn on screen");
+    DISPLAYCLOCK = false;
+  // enableDisplay(false);
+  }
+}
+
 void getUpdateTime() {
   ledOnOff(true); // turn on the LED
   Serial.println();