Stargate switch
From Electriki
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OK, so I want the switch as they have it in Stargate! Just move the hand near it, and that's it!
I'm implementing it with IR led + IR sensor.
Still to figure out: * Some transparent (to IR) casing? * IR led and sensor "tunnel" to isolate them nicely
Hardware revisions: * First version: Stargate_switch_v1 * Second version: Stargate_switch_v2