Datasheet

There's two digital inputs per H-bridge (one for each half of the bridge) as well as a PWM

input per driver so you can control motor speed. Runs at 2.7V-5V logic. The motor voltage

is separate from the logic voltage. Good for motor voltages from 4.5V up to 13.5V! This

wont work well for 3V motors.

https://learn.adafruit.com/adafruit-tb6612-h-bridge-dc-stepper-motor-

driver-breakout

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