Electropermanent magnets
turbinenreiter wrote 10/12/2015 at 19:48 • 1 pointOK - has anyone any idea if you can buy those anywhere? Or do you have to make them yourself?
OK - has anyone any idea if you can buy those anywhere? Or do you have to make them yourself?
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Maybe not quite what you mean, but this may be of interest - http://hackaday.com/2015/03/17/switchable-magnet-with-a-simple-circuit/ or http://hackaday.com/2013/07/12/electro-permanent-magnets-for-quadcopters/
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