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Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

220vto12v

  1. hesam_m

    220VAC to 8VDC 24W Flyback Switching Power Supply

    The most important part of any electronic device is the power supply section. Any instability or malfunction in this part causes the device to stop its operation or show weird behavior. In this article/video, I introduced an AC to DC Flyback Switching power supply that converts 220V-AC to 8V-DC...
  2. hesam_m

    220V-AC to 12V-DC 18W Switching Power Supply

    Flyback is the most common circuit topology to build galvanically isolated AC to DC or DC to DC converters. Flyback circuit is cheap and relatively easy to manufacture, therefore nowadays the majority of home or industrial appliances are powered using AC to DC Flyback converters. In general, a...
  3. sr13579

    How to set up my 220V to 9Vx2 transformer?(What is wrong?)

    So I tried to make an adaptor that can give me voltage around 9-10 Volts. There are total 5 wires as you can see in the attached image. I am using a 1000 uF(25V) capacitor parallely after the bridge diodes as said. But the capacitor is heating up and I think the lid/head of the capacitor is...
  4. B

    220v to 12 V for a big load winch

    Hi everybody, I am not only new here but have little to no clue about electrics/electronics, but a question, where I am hoping to get some ideas/answers. I have purchased a winch enabling me to pull our boat on a trailer in and out of the water on a ramp. The winch requires 12V and I would like...

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