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I fear for relays that have defects or AC wires accidentally come off and touches the three low voltage lines. Three lines are needed as the MCU GPIO I use can't provide enough current to activate the relay and I'm also not using optocouplers. Here is the relay kit I'm using...
Hi All,
I'm a newbie here. I'm currently working on a device that controls 220V AC equipments via an electromechanical relay. The relay and the low voltage electronics are all housed in one enclosure. The connections between my electronics and the relay are VCC, GND and CONTROL line for...
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