Riff Door Sensor: It reads from a micro SD card and randomly picks one of however many MP3s found. It uses a IR motion detector, and waits 7 seconds after playing a sound before it can be triggered again.
Riff Door Sensor: It reads from a micro SD card and randomly picks one of however many MP3s found. It uses a IR motion detector, and waits 7 seconds after playing a sound before it can be triggered again.
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