Blast from past: Automatic shutdown timer for TVs

in DIY by DP | 0 comments

Back in the 80s when very few TVs had remotes, let alone automatic shutdown timer, Victor decided to build exactly that for his grandfathers TV. After a set interval an LED turns on indicating that the timer has expired, if a button isn’t pressed within a few seconds the TV is turned off.

My grandfather was known to fall asleep about 5 minutes into watching any program on TV in the evening. Then, the TV would go on all night long. Those TVs in the eighties consumed a lot of power, so one day I decided to make a small device that would automatically switch off the TV when he falls asleep.

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