DC / stepper motor driver board (L9110) เป็นโมดูลขับมอเตอร์สามารถใช้ได้กับ DC motors (2 ตัว) หรือ stepper motor (1 ตัว) ขับกระแสได้สูงสุด 800mA ใช้ไฟเลี้ยง 3-12VDC

Features: 

• L9110 motor driver controller board, can drive two DC motors or one 4-wire 2 phase stepper motor.
• Specification: input voltage: 3~12V, current: 800mA
• Dimensions: 1.06 in x 0.83 in x 0.55 in (2.7 cm x 2.1 cm x 1.4 cm)
• Weight: 0.18 oz (5 g)

ตัวอย่างโปรแกรม

//L9110 motor driver controlling 2 small DC motors

const int AIA = 9; // (pwm) pin 9 connected to pin A-IA

const int AIB = 5; // (pwm) pin 5 connected to pin A-IB

const int BIA = 10; // (pwm) pin 10 connected to pin B-IA

const int BIB = 6; // (pwm) pin 6 connected to pin B-IB

byte speed = 255; // change this (0-255) to control the speed of the motors

void setup() 

{

pinMode(AIA, OUTPUT); // set pins to output

pinMode(AIB, OUTPUT);

pinMode(BIA, OUTPUT);

pinMode(BIB, OUTPUT);

}

void loop() 

{

forward();

delay(1000);

backward();

delay(1000);

left();

delay(1000);

right();

delay(1000);

}

void backward()

{

analogWrite(AIA, 0);

analogWrite(AIB, speed);

analogWrite(BIA, 0);

analogWrite(BIB, speed);

}

void forward()

{

analogWrite(AIA, speed);

analogWrite(AIB, 0);

analogWrite(BIA, speed);

analogWrite(BIB, 0);

}

void left()

{

analogWrite(AIA, speed);

analogWrite(AIB, 0);

analogWrite(BIA, 0);

analogWrite(BIB, speed);

}

void right()

{

analogWrite(AIA, 0);

analogWrite(AIB, speed);

analogWrite(BIA, speed);

analogWrite(BIB, 0);

}