• 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.


  1. J

    Lamp step-down transformer is not working. How to repair it?

    I found a lamp at home which is not working. I have used the multimeter to detect where the problem was coming from and it seems that the problem is coming from the transformer. It's a 220 to 12 volts transformer and I can read 220 in the input, but nothing in the output. So, something is not...

Latest threads

EE World Online Articles