They really are
Demand Switches are very cool https://gigahertz-solutions.com/Demand-Switch
nostr:nprofile1qqsdywzvftrz86ulzkhyevewu75mq0szq2qz65hj890ja68kgvc4r2spz5s8wumn8ghj7un9d3shjtnvdesh2tnwv46qz93qwaehxw309amk7apwdehhxarj9ecxzun50ye7l64r , nostr:nprofile1qqsgajqkvge3ydmnn2ln425hzvvlk46eu8gamy4p7wetpnz26gpv48sxe8kkj check this out
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