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  • 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.

Recent content by Tree

  1. T

    Need help! (V=IR)

    Hi, I'm doing a school project, and I was a little ambitious and chose to build a miniPOV3 (MiniPOV3 - Unending POV). I now have show why I used 100 ohm resistors and I'm a little confused why the 100 ohm resistors worked, instead of 47 ohm resistors. (There is a guide on that website, and...
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