You can also use a hall effect IC and a small magnet. The hall effect ic's come in a 3 pin TO-92 package and are easy to interface to your micro.
For example
https://dronebotworkshop.com/stepper-motor-hall-effect/
You can also use a hall effect IC and a small magnet. The hall effect ic's come in a 3 pin TO-92 package and are easy to interface to your micro.
For example
https://dronebotworkshop.com/stepper-motor-hall-effect/
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