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Re: Wheels spinning at different speeds program or electrical error?
A simple debugging strategy you could try is swap the Jaguars' pwms front and back. That will tell you if it's programming or calibration of the Jags.
Encoders are the best way to make both sides match exactly, if you've got some programming help to get them working. Another way you could do it is with a gyro, it may be a little simpler, but it does have other issues. One advantage to the gyro is it will compensate for differing traction between the wheels (within reason).
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