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.
I made an electronic card copied from the original card since the manufacturer of the equipment
no longer exist. Transitor and diode Parts are germanium type but still I am able to get these from
China. When I tested the the 3 fabricated cards will not regulate properly. The 2 cards will cause...
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