Thread: Booby Traps?
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Old January 8th, 2017, 03:35   #41
XOIIO
 
Join Date: Mar 2016
Location: Saskatoon, sk
Quote:
Originally Posted by ccyg8774 View Post
Don't have to be a solar panel (unless you really want to power it by sun), you can get a Photoresistor (they are really cheap) and a door alarm activated by vibration (they are cheap, too). Simply replace the switch with a Photoresistor will make it activate by light.
You could use a red filter to filter out other colors of lights and use a red laser to trip it as well, so that random flashlight wouldn't trigger it.
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