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Use stepper motor Status button to signal the forward or reverse, single-chip machine to use pulse signal to change motor power in order to achieve motor of the pros and cons go

Using step-by-steps the electrical machinery condition signaling key to give the clockwise or the reverse, lets the monolithic integrated circuit change the electrical machinery circular telegram foreword using the pulse signal, thus realizes the electrical machinery the reverse

Use stepping motor status signal button for forward or reverse, single-chip using pulse signal to change the motor power phase sequence, thus achieving motor positive inversion

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