Has anyone tried out the Sabertooth 2X25 MOTOR CONTROLLER with Arduino for PWM control? I am trying it but not sure about the S1, S2 control terminals.

 

It would seem from the limited manual that the input S1,S2 is analogue input? either a pot or analogue signal.?

 

I have 2 pwm outputs from the Arduino. Also, need Forward and R. My problem is how to connect from Arduino to Sabre and achieve both PWM and F/R?

 

OK by the look of it S1 input is the direction in, S2 is the analogue speed control input, the manual states that it can be reversed on the fly, which infers it will decelerate first before reversing.

 

OK by the look of it S1 input is the direction in, S2 is the analogue speed control input, the manual states that it can be reversed on the fly, which infers it will decelerate first before reversing.

Thanks. So, connect only 1 pwm o/p from arduino to S2? Both motors will run at the speed dictated by this pwm signal?

 

From what I see it is analogue not PWM input control?

 

From what I see it is analogue not PWM input control?

The o/p from arduino is PWM

 

You would need a PWM to analogue converter circuit, there are a few methods.

 

You would need a PWM to analogue converter circuit, there are a few methods.

Kindly give me one method. Also, 1 analog sig for 2 motors?

 

I think one is here.
https://cambamcnc.com/forum/index.php?action=dlattach;topic=6295.0;attach=17335