2.5V-12V 2CH L9110S H-Bridge Stepper Motor Driver Controller Board Dual Channel L9110 DC Motor Drive Control Module for Arduino

Features:

onboard two the L9110S motor control chip
the module can simultaneously drive two DC motors or a 4-wire 2-phase stepper motor
the module input voltage :2.5-12V
the 800mA continuous current output capability per channel

Specifications:

1. Low static work current
2. Power supply voltage: DC2.5-12V
3. Each channel has 800mA continuous current output
4. Low saturation pressure drop
5. TTL/CMOS output level compatible, can be connected directly to the CPU
6. Output built-in clamping diode, apply to the perceptual load
7. Control and drive integrate in IC
8. Have pin high pressure protection function
9. Working temperature: 0-80 ?
10.Size:29.2(mm)x23(mm)


Package Included:

1 x Stepper Motor Driver Module

51 test code:

#include

sbit MOTOR_A_1 = P0 ^ 0;

sbit MOTOR_A_2 = P0 ^ 1;

sbit MOTOR_B_1 = P0 ^ 2;

sbit MOTOR_B_2 = P0 ^ 3;

void delay(unsigned long cnt)

{

while(cnt--);

}

void forward(void)

{

MOTOR_A_1 = 1;

MOTOR_A_2 = 0;

MOTOR_B_1 = 1;

MOTOR_B_2 = 0;

}

void backward(void)

{

MOTOR_A_1 = 0;

MOTOR_A_2 = 1;

MOTOR_B_1 = 0;

MOTOR_B_2 = 1;

}

void main(void)

{

EX0 = 1;

EX1 = 1;

EA = 1;

while(1)

{

forward();

delay(30000);

backward();

delay(30000);

}

}

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