The Arduino controls when and which LEDs light up based on the data from the sensors. 5. **Buzzer:** The buzzer produces audio alerts, adding another dimension to the notification system. It can be ...

It’s like Dark and light Detector circuit but this time we are using Arduino to get more control over light. In this circuit, we are making a Light Sensor using LDR with Arduino to control a bulb/CFL ...

The outputs of comparators are connected to digital pin number 14 and 19 of arduino. Arduino read these signals and send commands to relay driver circuit to drive the relay for light bulb controlling ...