Thread: Kevin's Navigation Script Working for Your Team?
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Unread 31-01-2005, 21:04
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Re: Kevin's Navigation Script Working for Your Team?
Quote:
Originally Posted by gnormhurst
Just a guess:

If the motors are wired so that positive pwm values make both wheels turn the same direction, then I think the LEFT_DIR and RIGHT_DIR values need to be the same. By changing both of them, they are still different, and you haven't really changed anything. There are four combinations to try!
LEFT_DIR and RIGHT_DIR are used to determine if 254 is forward or 0 is forward. See the end of pid() in pid.c. The PWM value internally is stored as a signed int.