two motor drive, H bridge, L9110 stepping motor, motor drive module

Module description

1 dual L9110S chip motor drive

2 module power supply voltage: 2.5-12V

3, suitable for motor range: motor work voltage 2.5v-12V, the maximum working current of 0.8A, the current market smart car voltage and current are within this range

4 can drive 2 DC motors or 1 4 wire and 2 phase stepping motors at the same time.

5 PCB board size: 2.8cm*2.1cm ultra small volume, suitable for assembly

6 with fixed mounting hole, diameter: 3mm

Two module interface description

[description] 6P black bending pin

1 VCC external 2.5V-12V voltage

2 GND external GND

3 IA1 external microcontroller IO port

4 IB1 external microcontroller IO port

5 IA2 external microcontroller IO port

6 IB2 external microcontroller IO port

[4P green terminal description]

1, OA1, OB1, DC motor, 2 pins, no direction

2, OA2, OB2, DC motor, 2 pins, no direction

Three module instructions

Switch on VCC, GND module, power indicator light

IA1 input high, IA1 input low, [OA1 OB1] the motor is turning;

IA1 input low, IA1 input high, [OA1 OB1] motor reversal;

IA2 input high, IA2 input low, [OA2 OB2] the motor is turning;

IA2 input low, IA2 input high, [OA2 OB2] motor reversal;