... motor direction input, voltage level touched off,high towards, low reverse7,REST+,REST-: motor free The interface seethe right ... high or working current over 3A, fix the module on big metal shell , or use axle flows fan ... the wiring of electrical machinery is a mistakeSwitch Choice: (“ON=0,OFF=1”)1,Microstepping choice: SW500000000111111SW601010101010101SW700110011001100SW800001111000011Micro1/21/41 ...