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How Does a Motion Sensing Circuit Work?
This KiwiCo video explains how proximity sensors work and show you how to make a drop mechanism for special effects. https://www.youtube.com/watch?v=JIk2LCgtF20
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DIY Hacks & How To’s: Pressure Plate Switch
In this video Make Magazine shows you how to create a pressure sensitive sensor for automated special effects. https://www.youtube.com/watch?v=c6RXu0pYUVI
