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> This might be a dumb question, but are we talking actual
> different voltage levels, or different PWM duty ratios? Have
> you ensured that you have set (from code) the power levels of
> all the ports to be the same?
Without any precious hardware verification, this is what I did:
- symptom: motor C was not able to make turn as well as motor A can
- troubleshooting steps:
a) to ensure even load on both motor ports, I removed all other
attachments, and left the robot to a simple tankbot with a single light
sensor to follow slight curves in order to make it easier to visualize the
difference.
b) at program level, both are set to be the same power level, of course.
c) interchange motors between port A and C, same symptom, so the problem
is not the motor itself
d) change fresh batteries, drain the firmware, redownload the firmware,
same symptom
--
E
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