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Can I the same power supply to to power a relay, control its signal, and power the load? : r/AskElectronics
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Industrial Modbus RTU 8-ch Relay Module (B) with RS485 Interface, Multi Isolation Protection Circuits, 7
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High power 220V relay 5V12V24Vrelay module power failure automatic switch UPS emergency switching battery power supply module - AliExpress
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