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Use this tag for questions about connecting, controlling, and safely operating motors using an Arduino board.

8 votes
2 answers
12k views

How do I (easily) power a 5 V 3-pin fan?

I have a 5 V 3-pin fan. I want to be able to: power it from an Arduino Uno or a Seeeduino Lotus board, and, ideally; be able to change its speed. Most resources I can find on the web explain how …
Arseni Mourzenko's user avatar