Wednesday, April 22, 2015

Earth Day - Have your lights turn off when you leave the room!

We wanted to save energy, and create convenience, by adding motion sensors to our lighting circuits. Maybe you want some notification of an intruder. Both can be done with a PIR Motion sensor.  When I walk into a room, the lights come on automatically, and when I leave, shut off after a short period of time. You can choose how long that time delay is in the code. No more fumbling for a light switch in the dark with my arms full of groceries!

http://www.instructables.com/id/DIY-Arduino-Motion-Sensor-Lighting-Control/

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