220v to 12v circuit problem - Electrical Engineering Stack Exchange

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

How To Make 220v AC To 12v DC Circuit Without Transformer

Voltex South Africa Leading Electrical Wholesaler & Supplier

220v ac to 12v dc converter circuit diagram 12v transformer less power supply

how to make 12v dc power supply without transformer

220v AC to 12v DC Power Supply Step by Step Project

12 to 250V converter circuit diagram electronic project

555 - Problem in creating one-shot impulse circuit - Electrical Engineering Stack Exchange

Which is the Mains (power supply) in a single phase electric motor U1, V1 and U2, V2? - Quora

2 AC to DC converters in series problem - Electrical Engineering Stack Exchange

JOYLIT 12V 20A Power Supply Adapter 240W, AC 110V 220V to DC 12 Volt 20Amp Universal Regulated Switching Transformer, 12Vdc Power Supplies for LED Strip, CCTV Camera, Lighting Project