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ELEGOO 5 Sets 28BYJ-48 ULN2003 5V Stepper Motor + ULN2003 Driver Board Compatible with Arduino

(513 Reviews)
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$14.99
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(10000 available )
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142 Ratings
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Reviews

  • JG

    > 3 day

    I use these drive 12 volt LEDs with an Arduino. Works great.

  • Luis Felipe

    02-06-2025

    The product is very good, great for students

  • Bruce B

    > 3 day

    Used these stepper motors/drivers with an Arduino Uno to focus a telescope. Although theres some backlash in the gears the 64:1 reduction provides quite a bit of precision. They work great.

  • Ricardo Lochan

    > 3 day

    This Product is ideal for learning and small projects. This will teach you how a driver works and how you can connect it with arduino/Raspberry Pi. Excellent product and high build quality for the price.

  • Israel Mendoza

    > 3 day

    Excelente producto.

  • FRANKIE D.

    > 3 day

    this i also got for a friend,and he love it !

  • Adam Kneeland

    06-06-2025

    Shipping was fast and well packaged. Helping my son build a robot! 10/10 would order again.

  • Jerry

    > 3 day

    OK for playing around but not much else

  • aalex

    > 3 day

    this is very durable motor. I have used it for long time.

  • J. Billhofer

    > 3 day

    The set seems to be of good quality, is functional and well packaged.

ELEGOOELEGOO

Established in 2011, ELEGOO is a thriving technology company dedicated to open-source hardware research & development, production and marketing.

Our own Quality Management Team will secure the premium quality of our products and we would like to receive your valuable suggestions for our products and make your idea come true.

BYJ48 STEPPER MOTOR

Stepper Motor is a type of electromagnetic device which moves in discrete steps. This has several coils, the center shaft has a series of magnets mounted on it, and the coils surrounding the shaft are alternately given current or not, creating magnetic fields which repulse or attract the magnets on the shaft, causing the motor to rotate.
This Unipolar Stepper Motor 28-BYJ48 is provided with five wires and four coils. The center connections of the coils are tied together and usually used as the power connection. They are named unipolar steppers because power always comes in on this one pole.

Specification

- A, B, C, D four-phase LED indicates the status of the stepper motor work.
- Stepper motor with a standard interface, when used directly pluggable.
- 5 line 4 phase can be used for ordinary ULN2003 chip driver, connect to the 2 phase , support the development board, with convenient use, direct docking.
- Rated Voltage: DC5V 4-phase
- Insulation Resistance: >10MΩ (500V)
- Dielectric Strength: 600V AC / 1mA / 1s
- Step angle: 5.625 x 1/64
- DC Resistance: 200Ω±7% (25C)
- Reduction ratio: 1/64
- 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)

Programm Code Example

The Arduino IDE support a library for stepper motor, after connect motor with microcontroller you can upload the sketch on to the microcontroller. The following is the code of an example program, it can be modified according to your needs:

#define IN1 8
#define IN2 9
#define IN3 10
#define IN4 11
int Steps = 0;
boolean Direction = true;
void setup() {
Serial.begin(9600);
pinMode(IN1, OUTPUT);
pinMode(IN2, OUTPUT);
pinMode(IN3, OUTPUT);
pinMode(IN4, OUTPUT);
}
void loop() {
for(int i=0; i<4096; i++){
stepper(1);
delayMicroseconds(800);
}
Direction = !Direction;
}

void stepper(int xw) {
for (int x = 0; x < xw; x++) {
switch (Steps) {
case 0:
digitalWrite(IN1, LOW);
digitalWrite(IN2, LOW);
digitalWrite(IN3, LOW);
digitalWrite(IN4, HIGH);
break;
case 1:
digitalWrite(IN1, LOW);
digitalWrite(IN2, LOW);
digitalWrite(IN3, HIGH);
digitalWrite(IN4, HIGH);
break;
case 2:
digitalWrite(IN1, LOW);
digitalWrite(IN2, LOW);
digitalWrite(IN3, HIGH);
digitalWrite(IN4, LOW);
break;
case 3:
digitalWrite(IN1, LOW);
digitalWrite(IN2, HIGH);
digitalWrite(IN3, HIGH);
digitalWrite(IN4, LOW);
break;
case 4:
digitalWrite(IN1, LOW);
digitalWrite(IN2, HIGH);
digitalWrite(IN3, LOW);
digitalWrite(IN4, LOW);
break;
case 5:
digitalWrite(IN1, HIGH);
digitalWrite(IN2, HIGH);
digitalWrite(IN3, LOW);
digitalWrite(IN4, LOW);
break;
case 6:
digitalWrite(IN1, HIGH);
digitalWrite(IN2, LOW);
digitalWrite(IN3, LOW);
digitalWrite(IN4, LOW);
break;
case 7:
digitalWrite(IN1, HIGH);
digitalWrite(IN2, LOW);
digitalWrite(IN3, LOW);
digitalWrite(IN4, HIGH);
break;
default:
digitalWrite(IN1, LOW);
digitalWrite(IN2, LOW);
digitalWrite(IN3, LOW);
digitalWrite(IN4, LOW);
break;
}
SetDirection();
}
}
void SetDirection() {
if (Direction == 1) {
Steps++;
}
if (Direction == 0) {
Steps--;
}
if (Steps > 7) {
Steps = 0;
}
if (Steps < 0) {
Steps = 7;
}
}

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