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On what to assemble the simplest device?
The device should once a day or more often cut off the power of another device.
What is the easiest and cheapest way to assemble such a device?
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Basis: Electromagnetic relay + alarm clock (with the ability to set a melody)
I assembled in the form of an optocoupler, connected in place of the LED on the ScrollLock keyboard. Excellent for my conditions. What are your conditions?
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