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Randy Sarafan made this simple automated button pusher, which presses the “channel up” button on a TV remote once every minute.

I bet he has pressed the channel-up button thousands, if not tens-of-thousands, of times. That’s a lot of effort being exerted to change the channel. But what if that effort was not necessary? What if there was a way to change the channel without ever exerting the effort it took to press the button? What if there was a machine that pressed the button for you once per minute? Well then, perhaps, just maybe, that would be The Most Useful Machine… EVER!

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Becky Stern

Becky Stern is head of wearable electronics at Adafruit Industries. Her personal site: sternlab.org


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