![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgetrcQxuO0wdgi8tyYYYcAdmGJqis9tYpKMm7T6AspG4TvmvZ4vzH-aac7SzvmDxjrM8E4_ycph5GRrJikMszkMFkQpYrD1oF_OE6wWWFwRcZksCaHc1qvI12OlYawwc_yODwO3o5pb6M8/s320/WP_000316.jpg)
Features:
- Press any button on the remote and an annoying beep will be heard
Parts:
- 1x piezo buzzer
- 1x IR reciever
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This is what the camera sees |
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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.
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