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In this tutorial, we will Control the NEMA17 Stepper Motor with A4988 Driver Module & Arduino. The A4988 is a micro-stepping driver for controlling bipolar stepper motors which have a built-in translator for easy operation. Thus, we can control the stepper motor with just 2 pins from our controller. The DIR pin will control the rotation direction and the STEP pin will control the steps.

The NEMA17 Stepper Motor is required 8V-35V Power as the torque is too high. Therefore we need a Stepper Driver Module like A4988 or DRV8825.
We also need to set the current-voltage limit by checking the reference voltage. We also need a heatsink to dissipate the excess heat.

The source code for the direction and speed control is given along with acceleration and deceleration demo.

Source Code Link: [ Ссылка ]

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