Motor Controler broken?

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hey community,

i have 1 question rational direction. started think motor controller broken. first tell set up: 4 motors , 2a dual motor controller. problem cant change rational direction in programm code (high, low). impossible drive curves.
i changed poles in motor controll , checked every cable. know solution of problem?

sry english:)

sincerly

wendt

fyi,
the correct term in english rotational direction, (not rational, although i'm not sure if being rational since have posted no code. telling code doesn't work , not posting exercise in
futility because no help. it's more irrational omit link or detail motor
controller. little history on circuit nice too. (like first motor controller or first arduino circuit ?)


quote
so impossible drive curves.
i think mean "impossible turn"


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