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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.

reverse engineering

  1. Grossel

    Simple circuit - radio transmitter 4 button key pad for toy car

    Hi forum. Have this project I intended to do like 10 years ago, now I finally had found time for it. So I have this little radio controller for a toy car. Unfortunately, all but the PCB remains, and I don't remember (nor worked out) the correct DC voltage - I can only guess 9V by now. Also the...

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