
I am usually very satisfied with Adafruit products. I think this product needs some work. I've used it to control a number of DC motors. Even after making sure I had the right power requirements, I couldn't get my DC motors to run slower than about a third of their maximum throttle RPM. Of course this product has its uses and I was able to solve my problem by interacting with the gears, but be aware that this hat will not work if you are looking for slower running DC motors.

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