Hi, The voltage range of the A4988 is around 0.8-1.2V.
For details, please refer to this: https://www.pololu.com/file/0J450/a4988 ... slator.pdf
For DR8825, you can refer to this: http://www.ti.com/lit/ds/symlink/drv8825.pdf
I hope this can help you.
Having a change in A4988 TO DR8825 on a GT2560
Re: Having a change in A4988 TO DR8825 on a GT2560
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-You can ask me the questions and I will kindly reply.
-Respect others is the best way you can get help!