... -: Stepping motor direction input, voltage level touched off,high towards, low reverseENA+ ENA-: motor free Note:When ambient temperature is high ... is connected with driver, users are apt to connect the phase by mistake, thus would damage the driver seriously. The protecting ... the wiring of electrical machinery is a mistake CW5045 2-phase Stepper motor driver, Stepping motor driver,1.5A~4.5A ...