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My robot has two Sabertooth controllers for the four Mecanum wheels. Wheels LF (left front) and RR (right rear) are wired to one Sabertooth and wheels RF (right front) and LR (left rear) are wired to the other. This works for vectoring in any direction, but how can I make the robot spin on its axis? Correct me if I’m wrong, but to spin, don’t I need to make the wheels on one side (FR and RR) spin one way and the other set (FL and RL) spin the other? I’m using packetized serial mode. One controller is address 128 and the other 129. To spin, I’d have to make the two motors on each controller spin in opposite directions. Am I missing something?
Hi Scott,
If you are using the Sabertooth Arduino library, you should be able to just set the motor to spin by using the code below.Sabertooth ST1(128);
Sabertooth ST2(129); // put these at the top of your code to specify each motor controller.ST1.motor(1,127); //address 128, motor 1 full power forward
ST2.motor(1,127); //address 129, motor 1 full power forwardST1.motor(2,-127); //address 128, motor 2 full power reverse
ST2.motor(2,-127); //address 129, motor 2 full power reverse.hopefully this helps!
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