how to connect wires of step motor 42BYGH403 to driver drv8825 pins

Question

I am new to step motor and its driver. I bought a step motor 42BYGH403 with leads : yellow-red-green-blue.

and I want to connect this wires to related pins on driver drv8825. such as:

but i don't know which color (lead) should be connected to which pin A1, A2, B1 or B2?

Iluvatar · Answer 1 · 2016-12-08T21:30:19.723

1

Well one option is to try different things and see what happens.

On the motor driver data sheet, there should be a diagram somewhere that looks similar to the one shown above, with the wires from A1, A2, etc going into the motor, and it should show the wire color. Or maybe something referencing phase A/B. (From what I recall, red and blue go together on a similar motor, but check that.) I think as long as the connected wires are the same as in the data sheet, the motor should turn.

edited Dec 08 '16 at 21:30

answered Dec 08 '16 at 21:09

Iluvatar

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Thanks for your reply. but there is no information on datasheet about that. [link] (https://www.pololu.com/file/0J590/drv8825.pdf). – Farrokh Yousefi Dec 08 '16 at 21:22
That's the data sheet for the motor controller, do you have one for the motor itself? – Iluvatar Dec 08 '16 at 21:24
No, unfortunately I couldn't find that. – Farrokh Yousefi Dec 08 '16 at 21:27
Try hooking up red to A1, blue to A2, green to B1, and yellow to B2, and see what happens. – Iluvatar Dec 08 '16 at 21:31
Then sorry, I got nothing. There's only 24 possible combinations though, if you have no other leads. (And of course, made sure everything else is working before that) – Iluvatar Dec 08 '16 at 21:43
Thanks a lot. I test all combination and find: yellow->B2, blue->B1, red->A1 and green->A2. – Farrokh Yousefi Dec 10 '16 at 19:21

how to connect wires of step motor 42BYGH403 to driver drv8825 pins

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