SPECIFICATIONS

Brand Name: NONE

Choice: yes

High-concerned chemical: none

Model Number: L9110S

Motor: Stepper Motor

Motor Type: Stepper Motor

Origin: Mainland China

Module Description:

1 Dual L9110S chip motor driver

2 Module power supply voltage: 2.5-12V

3 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

4 Can drive 2 DC motors at the same time, or a 4-wire 2-phase stepper motor.

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

6 With fixed mounting holes, diameter: 3mm


Module interface description:

【6P black curved pin description】

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 connects to 2 pins of DC motor, no direction.

2 OA2 OB2 DC motor 2 pins, no direction



Module use instructions :


Turn on VCC, GND Module power indicator is on.  

IA1 input high level, IA1 input low level, [OA1 OB1] motor positive rotation;

IA1 input low level, IA1 input high level, [OA1 OB1] 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;

Reference code:

int a1=17;

int b1=11;
int a2=10;
int b2=12;
int c1=7;
int d1=5;
int c2=8;
int d2=6;

void setup() 
{
pinMode(a1,OUTPUT);
pinMode(a2,OUTPUT);
pinMode(b1,OUTPUT);
pinMode(b2,OUTPUT);
pinMode(c1,OUTPUT);
pinMode(c2,OUTPUT);
pinMode(d1,OUTPUT);
pinMode(d2,OUTPUT);

}


void loop() 
{
for(char i=0;i<10;i++)
{
digitalWrite(a1,HIGH);
digitalWrite(a2,LOW);
digitalWrite(b1,HIGH);
digitalWrite(b2,LOW);
digitalWrite(c1,HIGH);
digitalWrite(c2,LOW);
digitalWrite(d1,HIGH);
digitalWrite(d2,LOW);
delay(50);
}
for(char i=0;i<10;i++)
{
digitalWrite(a1,LOW);
digitalWrite(a2,HIGH);
digitalWrite(b1,LOW);
digitalWrite(b2,HIGH);

digitalWrite(c1,LOW);
digitalWrite(c2,HIGH);
digitalWrite(d1,LOW);
digitalWrite(d2,HIGH);
delay(50);