I am trying to set up a code to be able to maintain an input rpm while I vary a voltage supply from 0-12v. I am using an L293D motor controller chip and a Pololu 2823 motor and an arduino micro. Any advice would be great THANKS!

Constant RPM with varying voltage

jremington April 30, 2018, 8:27pm 3

The L293D is extremely inefficient and won't work at all when the supply voltage is below 4.5V.

To control RPM you have to have some way to measure it. What is your plan?

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