220v to 12v circuit problem - Electrical Engineering Stack Exchange
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good afternoon i bulid a circuit to convert 220v ac to 12v dc so i can power a 12v dc relay. once i attach the output to the relay the voltage drop to 2v once i disconnect it and attach the positiv
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220V AC to 12V DC Converter Power Supply Using Diodes, Capacitors, Resistors, & Transformers
