Ok.. I've seen several tables like this. I understand the concept of pulsing the coils according to the chart with +/-'s. I guess what I don't understand is the input to the hbridge. I'm unsure of what combination of 1's and 0's to use when pulsing the hbridge itself. The hbridge table only gives...
A B 1a 1b
0 0 0 0
0 1 - +
1 0 + -
1 1 0 0
But, when describing how to pulse the motor, ++ and -- are used.
Maybe I'm reading something wrong?
Thanks,
Josh
EDIT: Oh, I think I see. 1 hbridge per coil = 2 hbridges per motor, which the L293 provides. I should be able to figure out the sequence from there. The real question is, I'm pretty sure I tried that sequence, and I'm still having the torque issue.