Combine an Arduino, infrared LEDs, and the open-source TV-B-Gone library to build a universal sleep-timer remote for any TV. For those layovers in motels on long road trips or for those who frequently fall asleep in front of the television, rest assured that your TV will be OFF when you awake, thanks to the TV-Go-Sleep Universal TV Timer.

Complete instructions for this episode of Weekend Projects can be found at http://makezine.com/projects/tv-go-sleep-universal-timer/