//modified by : Tejswini Chaudhari // "BH1750" light sensor reading. #include #include BH1750 lightMeter; void setup(){ Serial.begin(9600); // Initialize the I2C bus (BH1750 library doesn't do this automatically) Wire.begin(); // On esp8266 you can select SCL and SDA pins using Wire.begin(D4, D3); Serial.println("Running..."); lightMeter.begin(); Serial.println("Running..."); } void loop() { float lux = lightMeter.readLightLevel(); Serial.print("Light: "); Serial.print(lux); Serial.println(" lx"); delay(1000); }