Simplify3D User Forum

Posted: **Tue Dec 15, 2015 3:44 pm**

Hi, which is the best driver for I3 printer.
DRV8825 or A4988. Thanks

Posted: **Tue Dec 22, 2015 12:11 am**

DRV8825 has higher drive current capability (2.5A vs. A4988 of 2A). You won't use the 2.5A, but it means the DRV8825 will not overheat as quickly.

Also, the DRV8825 can drive in 1/32 steps, so you get twice the resolution. You'll need to wire it correctly for this, and you'll need to configure your firmware for this.

Posted: **Tue Dec 22, 2015 1:35 pm**

I use TMC2100

Posted: **Mon Dec 28, 2015 2:53 pm**

Sorry for the late reply.
Thanks for the info.

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Motor drivers

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Re: Motor drivers