Step motor arduino code9/18/2023 This will allow the teensy to count pulses via a pin-change interrupt.Īlso make sure to set the DRV8825's current limiting resistor to an appropriate value, as described on their product page. The teensy will have one additional connection: pin 9 will be tied to pin 3. However, the output shaft is driven via a 64:1 gear ratio. In full-step mode: 64/2 32 steps to complete one rotation. This means that the motor has a step angle of 5.625so it needs 360/5.625 64 steps in half-step mode.
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