17 Apr '17, 5pm

Microswitches: Past the Tipping Point

Microswitches: Past the Tipping Point

You find them everywhere from 3D printers to jet airliners. They’re the little switches that detect paper jams in your printer, or the big armored switches that sense when the elevator car is on the right floor. They’re microswitches , or more properly miniature snap-action switches , and they’re so common you may never have wondered what’s going on inside them. But the story behind how these switches were invented and the principle of physics at work in the guts of these tiny and useful switches are both pretty interesting. The Chicken Switch Microswitches have a long history, at least as long as it takes for the original trademarked “Micro Switch” brand to become a generic term. Back in 1932, a company called Burgess Labs in Wisconsin got an order to build 10,000 electric chicken brooders. Charles Burgess, the head honcho of the company, ordered 10,000 switches from a ma...

Full article: http://hackaday.com/2017/04/17/microswitches-past-the-tip...

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