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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.

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  1. Q

    Fingerprint Module with Door lock Solenoid - Arduino Nano ..

    Greeting, Thank you for your support guys. I am a newbie to the Electronics, but I did read for a long time and search but this is my first circuit it may look easy for you but I need help. Here are two schematic and I need them to be joined together with Op protection and reverse voltage...

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