Electromagnet
https://www.gearbest.com/lock-picks-and-tools/pp_300398.html?vip=4323210
This is a really neat item. I have used it in a couple of situations. A electromagnet is a magnet that becomes magnetic when you apply electricity to it. You can link it to something like a WEMO switch and then you suddenly have a smart lock that you can control from a smart phone and didnt have to pay $150 for.
This is a really neat item. I have used it in a couple of situations. A electromagnet is a magnet that becomes magnetic when you apply electricity to it. You can link it to something like a WEMO switch and then you suddenly have a smart lock that you can control from a smart phone and didnt have to pay $150 for.
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