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Here’s a 555 circuit that I’d like to see: it watches for a trigger, then sends a pulse and starts a 2 minute (or w/e) timer that keeps being reset as long as another trigger comes in before ...
Everyone’s getting on board with the 555 timer projects. But [Tom] didn’t just come up with one project, he shared a slew of ideas related to analog robotics. They’re center aroun… ...
He used a 555 timer that outputs a clock to the LEDs on the biz card, and placing a nine-volt battery on the terminals sets off the mini light show. See for yourself in the video below.
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