Project 10 (Novice): Annoying Beep

After salvaging an IR receiver from an old satellite receiver, I came up with a simple application with some annoying results.


Features:
- Press any button on the remote and an annoying beep will be heard

Parts:
- 1x piezo buzzer
- 1x IR reciever

This is what the camera sees

This is what our eyes see

How does it work? It's actually very simple. Once the IR receiver detects infrared light, (in this case, the IR light comes from the remote control) the arduino will trigger the buzzer. Our eyes cannot see infrared light but the IR receiver and most cameras can.