Characteristics:
1. Power type: *4V~*5V AC2. Output current: 2~6A
3. Mircostepping: 1(1.8), 1/2, 1/4, 1/8, 1/*6, 1/*2, 1/*4, 1/**8, 1/**6, 1/5, 1/*0, 1/*5, 1/*0, 1/**5, 1/**0
4. Protect form: Overheated protect, lock automatic half current, error connect protect
5. Dimensions: **7mm**7mm**0mm
6. Weight: <**0g.
7. Working environment: Temperature**5~*0 Humidity<*0%.

I/O Ports:
1. AC, AC: AC power positive pole *4V~*5V AC

Note:
1. Must guard against exceeding *5V AC, so as not to damage the module
2. GND: DC power cathode
3. A+, A-: Stepping motor one winding
4. B+, B-: Stepping motor other winding
5. CP +, CP -: Stepping pulse *5V (Rising edge effective, rising edge duration >*0μS)
6. CW +, CW-: Stepping motor direction , voltage level touched off, high towards, low reverse
7. REST+, REST-: Motor free