Fake TV Security Light

The idea of leaving a light on at home while you’re out is to give the burglar an uneasy feeling that somebody’s at home and it might be worth trying the next house along instead. A TV on at night plays a constantly-changing light-show against your window which really does say I’m at home and I’m awake. Of course, you could leave a real TV on but that’s an eco-disaster since TV’s consume 50W at best and hundreds at worst. Plus you might not want to be burning your TV in for days on end if you’re not at home. Why not use some of these neopixel RGB LED’s and a microcontroller to simulate the same effect? With just a few eurodollars, an hour of build time and a power budget of 5W absolute maximum, it sounds like a winner.”

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