Halloween Haunt Hack

by Bart Pelgrims on November 5, 2012

halloween haunt hackThis is a pretty quick hack to trigger sound and lightning flashes for a simple Halloween Haunt. It uses a light dependent resister to detect a shadow passing over the sensor. An Arduino reads the sensor and triggers a sound to be played and simulates lightning by flashing a bright LED. The sound is played from a Radio Shack digital recording module.

It also shows how to simulate a button press on another device by using an optocoupler.

Video:

Source: instructables

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