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AC stands for Alternating Current. It usually applies to voltages with >100 V RMS, but can also be used for other AC voltages, like 24 V industrial AC power.
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How to switch separate circuit from doorbell?
If I understand your question correctly, you want to connect two wires when the switch is pressed and supply both of them with the AC power. To do this, replace your switch with a SPDT Switch. …
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An SPDT switch using TRIACs
I need to Switch 220V AC with 3.3V DC current.
Kindly help me build a circuit where even under no power conditions, I have 1 NO and 1 NC path available. …