Added Lightsensor code to project

src/header.h

@@ -5,8 +5,15 @@
 #define HEADER_H
 
 #include <Arduino.h>
+#include <Wire.h>
+#include <BH1750.h>
 
 extern int meineVariable;
 
+// moisture
 extern void setupCapacitiveSoilMoistureSensor();
-extern void loopCapacitiveSoilMoistureSensor();
+extern void loopCapacitiveSoilMoistureSensor();
+
+// light
+extern void setupLightSensor();
+extern int readLightSensorValue();

src/lightSensor.cpp

@@ -0,0 +1,14 @@
+#include <header.h>
+
+BH1750 lightMeter;
+
+void setupLightSensor() {
+    Wire.begin();
+    lightMeter.begin();
+    Serial.println("Sensor started...");
+}
+
+int readLightSensorValue() {
+    uint16_t intensity = lightMeter.readLightLevel();
+    return intensity;
+}

src/main.cpp

@@ -7,9 +7,15 @@
 void setup() {
   Serial.begin(9600);
   setupCapacitiveSoilMoistureSensor();
+  setupLightSensor();
 }
 
 void loop() {
+  uint16_t lxValue = readLightSensorValue();
+  Serial.print("Light intensity: ");
+  Serial.print(lxValue);
+  Serial.println(" lx");
+
   loopCapacitiveSoilMoistureSensor();
-  delay(1);        // delay in between reads for stability
+  delay(200);        // delay in between reads for stability
 }