How To: Build a laser tripwire that can trigger anything out of a photoresistor

Build a laser tripwire that can trigger anything out of a photoresistor

This video, incredibly short for it's massive content, will teach you how to make a laser tripwire that, combined with a photoresistor, can trigger just about any device. You can make traps, alarms, awesome party decorations, and all sorts of other awesome things with this easy-to-make device, provided you have a soldering iron and a local electronics store to buy some parts.

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1 Comment

jajajaja!
Loved the ending

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