Can drive 2 DC motors at the same time, or a 4-wire 2-phase stepper motor. PCB board size: 2.8cm * 2.1cm ultra-small size, suitable for assembly. With fixed mounting holes, diameter: 3mm Module interface description:[6P black curved pin description]VCC external 2.5V-12V voltage;GND External GND;IA1 external microcontroller IO port;IB1 external microcontroller IO port;IA2 External microcontroller IO port;IB2 External microcontroller IO port; 4P Green Terminal Description:OA1 connects to 2 pins of DC motor, no direction. OA2 OB2 DC motor 2 pins, no direction Dual L9110S chip motor driver;Module power supply voltage: 2.5-12V; Suitable for motor range: motor operating voltage 2.5V-12V, large operating current 0.8A, the current on the market intelligent car voltage and current are in this range Turn on VCC, GND Module power indicator is on. IA1 input high level, IA1 input low level, [OA1 ] motor positive rotation; IA1 input low level, IA1 input high level, [OA1 ] motor reverse; IA2 input high level, IA2 input low level, [OA2 OB2] motor positive rotation; IA2 input low level, IA2 input high level, [OA2 OB2] motor reverse;, Weight: 0.1763698096 pounds, Manufacturer: NONDK