3.3v

  1. 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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