DIY Motion Activated Light
thingiverse
This is a simple motion activated light that uses an attiny45 or attiny85, a PIR sensor, 12 leds, and some other components. Its powered by 4 AA batteries and from my calculations should last around 2 months on one set of batteries. It turns on for 30 seconds when its dark and detects motion. See the videos for more information A short explanation video https://www.youtube.com/watch?v=8jszWSCRU8M Full build video https://www.youtube.com/watch?v=LJtMK_RjTzQ part links PIR sensor http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_2082927_-1 attiny45 http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_2151267_-1 battery holder http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_216187_-1
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