L9110S DC / stepper motor drive board, a motor drive board, H-bridge motor driver

L9110S DC / stepper motor drive board, a motor drive board, H-bridge motor driver

 A description module

One pair of motor-driven chip L9110S

2Power supply moduleVoltage: 2.5-12V

Suitable motor 3 range: between motor operating voltage 2.5v-12V, the maximum operating current 0.8A, voltage and current of the current smart car market are within this range

42 can drive DC motor,orA 2-phase 4-wire type stepping motor.

5PCB board size: 2.8cm * 2.1cmUltra-small size, suitable for assembly

6 is provided with a fixed mounting hole, diameter: 3mm

Two Module Interfaces

[6P black curved pin description]

1 VCC External2.5V-12V voltage

2 GND GND External

3IA1 External microcontrollerIO port

4IB1  External microcontrollerIO port

5 IA2External microcontrollerIO port

6 IB2External microcontrollerIO port

[DESCRIPTION terminals 4P Green

1 OA1 OB1 contact pins DC motor 2, a non-directional

2 OA2 OB2 contact pins DC motor 2, a non-directional

three ModuleInstructions for use 

ON VCC, GND power LED module

IA1Input high,IA1Input low, [OA1 OB1]The motor is transferred;

IA1Input low,IA1Input high, [OA1 OB1]Motor reverse;

IA2Input high,IA2Input low, [OA2 OB2]The motor is transferred;

IA2Input low,IA2Input high, [OA2 OB2]Motor reverse;

Reference Code:

int a1 = 17;