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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.

3.3v

  1. Lucky-Luka

    3.3V microcontroller vs 5V relay

    Hi all I was looking for a relay board to be used with my 3.3V Arduino board. Relay module I know this isn't a proper relay to drive inductive load at 220V. I have read that it can be controlled with 3.3V GPIO pins. I will try to do a test but before that I would like to hear your opinion. This...

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