O1M0001_fan_module

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The electric fan is a device that electrically drives the motor to generate air flow. After the internal motor is energized, it drives the blade to rotate and converts the electric energy into wind energy.

Specification

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1. Operating Voltage: 3 to 5V

2. Operating Current: less than 100mA

3. Rotate speed: Max 8300

4. Dimensions: 35*27.1mm

Dimensional drawing

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Schematic diagram

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Logical table

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Input Pin	Input Pin	Output Pin	Output Pin	Motor
INA	INB	OA	OB	State
L	L	L	L	Brake
L	H	L	H	Positive/reverse turn
H	L	H	L	Reverse/positive turn
H	H	H	H	Brake

Control fan speed:

INA	INB	Direction
0	PWM	Positive/reverse turn
PWM	0	Reverse/positive turn

Example Code

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Arduino IDE:
Please refer to the link to use Arduino IDE: Link

wiring diagram

Digital pin code:

const int ina = 9;            
const int inb = 10;             

void setup() {
   pinMode(ina, OUTPUT);
   pinMode(inb, INPUT);
}

void loop() {
   digitalWrite(ina, HIGH);    
   digitalWrite(inb, LOW);
   delay(2000);
   digitalWrite(ina, LOW);    
   digitalWrite(inb, HIGH);
   delay(2000);
}

PWM pin code:

const char ina = 9;            
const char inb = 10;             

void setup() {
   pinMode(ina, OUTPUT);
   pinMode(inb, INPUT);
}

void loop() {
   char i=0;
   for(i=0; i<256; i++>){
      analogWrite(ina, i);    
      analogWrite(inb, 0);
      delay(10);
   }

   for(i=0; i<256; i++>){
      analogWrite(ina, 0);    
      analogWrite(inb, i);
      delay(10);
   }
}

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End!