Page 1 of 1

A10M Vref for Stepper driver

Posted: Sat Apr 20, 2019 3:42 pm
by Niyoki
For stock Geeetech A10M which Vref Voltage is the best? I checked all all five drivers is 0.8 Volt.
Under A10 Faq i found this.
5.jpg (221.16 KiB) Viewed 50048 times
1.4 Check the voltage of the motor driver and the motor connector.
Measure the voltage of the driver board, normally the value should be 0.8V-1.2V, you can put the red probe of multimeter on the potentiometer,
http://www.geeetech.com/forum/viewtopic ... 17&t=17038
Thanks

Re: A10M Vref for Stepper driver

Posted: Mon Apr 22, 2019 3:27 am
by Newls
If they are ok at 0.8 leave them there.
I'm assuming you've got the stock A598 drivers which are the noise ones. For those anywhere between 0.8 and 1.2 is good.
If you're experiencing issues at 0.8 try increasing to 1.2

If you have TMC2208 drivers (The quiet ones) then 0.8 is the correct value.

Re: A10M Vref for Stepper driver

Posted: Fri Apr 26, 2019 6:41 pm
by Niyoki
Thank you for Feedback
Regards
Niyoki

Re: A10M Vref for Stepper driver

Posted: Sat May 04, 2019 6:37 pm
by Niyoki
Thank you @vert ,
I changed all A4988 Vref voltages to 1.2 Volt. Everything works smooth and not more heat than with 0.8 Volt.
Regards.
Niyoki