ULN2003 Stepper Motor driver (X113647) [B002]

ULN2003 Stepper Motor driver (X113647) [B002]

https://www.youtube.com/watch?v=yFyNh_hIRFA

* GitHub : https://github.com/rdiot/rdiot-b002.git

* Specs

Driver ID : ULN2003AN

Description:

Rated Voltage: DC5V

4-phase

Reduction Ratio: 1/64

Step Torque Angle: 5.625/64

DC Resistance: 200±7% (25)

Insulation Resistance: >10M (500V)

Dielectric Strength: 600V AC / 1mA / 1s

Insulation Grade: A

No-load Pull in Frequency: >600Hz

No-load Pull out Frequency: >1000Hz

Pull in Torque: >34.3mN.m(120Hz)

Detent Torque: >34.3mN.m

Temperature Rise: <40K(120Hz)

Noise: <40dB (120Hz, No load, 10cm)

Board Size: Approx. 29 ×21 mm

* Contents

- Connect

5V -  ----- 5V 

5V +  ----- GND

 

IN1 ----- D8

IN2 ----- D9

IN3 ----- D10

IN4  ----- D11

- Key Code

#include <Wire.h> 

#include <LiquidCrystal_I2C.h>

#include <Stepper.h>

 

LiquidCrystal_I2C lcd(0x27,20,4);  // LCD2004

const int stepsPerRevolution = 2048; // 2048(360 Degree), 1024(180 Degree)

 

// IN4, IN2, IN3, IN1

Stepper myStepper(stepsPerRevolution,11,9,10,8); 

 

int val;

 

void setup()

{

  lcd.init();  // initialize the lcd 

  lcd.backlight();

  lcd.print("start LCD2004");

 

  delay(1000);

  

  myStepper.setSpeed(14); 

  lcd.clear();

}

 

void loop()

{ 

  lcd.setCursor(0,0);

  lcd.print("D021:28BYJ-48");

  lcd.setCursor(0,1);

  lcd.print("B002:X113647");

 

  // Left 1 Round

  myStepper.step(stepsPerRevolution);

  val = stepsPerRevolution;

  lcd.setCursor(0,2);

  lcd.print("right=" + (String)val + "  ");

  delay(500);

 

  // Right 1 Round

  myStepper.step(-stepsPerRevolution);

  val = -stepsPerRevolution;

  lcd.setCursor(0,2);

  lcd.print("left=" + (String)val + "   ");

  delay(500); 

}