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| Name | Control a 28BYJ-48 stepper motor by the Arduino |
| Video Uploader | Video From Robotique Site |
| Upload Date | This Video Uploaded At 21-03-2022 18:18:05 |
| Video Discription | The 28BYJ-48 stepper motor is a small, low-cost stepper motor that is commonly used in small hobby and robotic projects. It is a four-phase, five-wire stepper motor that is driven by a ULN2003 driver IC. The motor has a step angle of 5.625 degrees per step, meaning it takes 64 steps to complete a full rotation. The motor’s maximum torque is 34.3 mNm, so it is not suitable for heavy loads or high-precision applications. Here are the steps to control a 28BYJ-48 stepper motor with an Arduino: 1- Connect the stepper motor to the Arduino. The 28BYJ-48 stepper motor has five wires, which should be connected to the following pins on the Arduino: IN1: Pin 8 IN2: Pin 9 IN3: Pin 10 IN4: Pin 11 VCC: 5V GND: GND 2- Install the "Stepper" library in the Arduino IDE. Go to "Sketch" - "Include Library" - "Manage Libraries..." - search for "Stepper" - click "Install". 3- Define the number of steps per revolution for the 28BYJ-48 motor. The 28BYJ-48 motor has a 64:1 gear reduction, which means it takes 64 steps to make one full rotation. Therefore, the number of steps per revolution for the motor is 64 * 4 = 256. 4- Create a Stepper object in the code, passing the number of steps per revolution and the pins connected to the stepper motor. #include "Stepper.h" #define STEPS_PER_REVOLUTION 256 #define IN1 8 #define IN2 9 #define IN3 10 #define IN4 11 Stepper motor(STEPS_PER_REVOLUTION, IN1, IN3, IN2, IN4); In the setup() function, set the speed of the motor using the setSpeed() method. javascript Copy code void setup() { motor.setSpeed(100); // Set speed to 100 rpm } In the loop() function, use the step() method to move the motor. The step() method takes an argument that specifies the number of steps to move the motor. A positive value will move the motor clockwise, and a negative value will move it counterclockwise. void loop() { motor.step(512); // Move the motor 512 steps clockwise delay(1000); // Wait 1 second motor.step(-512); // Move the motor 512 steps counterclockwise delay(1000); // Wait 1 second } This code will move the motor 512 steps clockwise, wait 1 second, move the motor 512 steps counterclockwise, wait 1 second, and repeat. You can adjust the number of steps and delay time to control the speed and direction of the motor. For more details you can see this article: https://www.robotique.tech/robotics/control-a-28byj-48-stepper-motor-by-the-arduino/ vu3qePnfUiQ |
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