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RichardV31

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Description

Infrared stepper motor control with speed control

More info and updates https://rogerbit.com/wprb/2024/09/motor-paso-a-paso-x-infrarrojo/

In this project, we will learn how to control a 28BYJ-48 stepper motor using an infrared remote controller and an Arduino. The motor will be able to rotate in both directions, stop, and adjust its speed using commands sent from the remote controller. This project is ideal for applications where precise wireless control of a stepper motor is needed, such as in robots, cameras, or automation systems.

The 28BYJ-48 is a low-cost stepper motor that runs on the ULN2003 driver. This driver allows us to easily control the motor from a microcontroller such as the Arduino. In addition, we use the IRremote library to receive infrared signals from the remote control, allowing us to control the motor wirelessly and without physical buttons.

In this project, we implemented the following controls:

Right turn : By pressing a specific button, the motor will continuously rotate in a clockwise direction until another command is sent.

Left turn : With another button, the motor will turn in the opposite direction.

Stop : A third button will stop the motor.

Speed Adjustment : The motor speed can be increased or decreased in a range of 1 to 10 using two additional buttons on the remote control.

During the project, we use the Arduino serial monitor to display the received infrared code, allowing us to easily identify the control buttons and verify their operation. This project is modular and allows adjustments according to user needs, such as changing the maximum speed or adjusting the remote control codes.

Arduino mini pro

Female pins

Socket for arduino nano

ky-022 infrared receiver module

Size: 6.4*7.4*5.1MM, acceptance angle 90°, working voltage 2.7-5.5V.Frequency 37.9KHZ, receiving distance 18m.

Daylight rejection up to 500LUX, electromagnetic interference capability, built-in infrared dedicated IC.Widely used: stereo, TV, VCR, CD, set-top boxes, digital photo frame, car audio, remote control toys, satellite receivers, hard disk, air conditioning, heating, fans, lighting and other household appliances.

Pinout:

1 …. GND (-)

2 …. + 5V

3 …. Output (S)

Stepper motor 28BYJ-48

The parameters of this stepper motor are:

Model: 28BYJ-48 – 5V

Nominal voltage: 5V (or 12V, value indicated on the back).

Number of phases: 4.

Speed reducer: 1/64

Step angle: 5.625° / 64

Frequency: 100Hz

DC resistance: 50Ω ±7 % (25° C)

Frequency with traction: > 600Hz

Non-traction frequency: > 1000Hz

Traction torque: >34.3mN.m (120Hz)

Self-positioning torque: >34.3mN.m

Torque with friction: 600-1200 gf.cm

Torque drag: 300 gf.cm

Insulation resistance > 10MΩ (500V)

Electrical insulation: 600VAC/1mA/1s

Insulation grade: A

Temperature rise: < 40K (120Hz)

Noise: < 35dB (120Hz, no load, 10cm)

ULN2003APG

Main specifications:

500 mA nominal collector current (single output)

50V output (there is a version that supports 100V output)

Includes output flyback diodes

TTL and 5-V CMOS logic compatible inputs

Infrared remote control

PCB

Download gerber file –> ir alarm pcb

Circuit

Connection diagram:

Connect the 4 pins of the motor to the outputs of the ULN2003 driver. These are usually the IN1, IN2, IN3 and IN4 pins.

Connect pins IN1 to D6, IN2 to D7, IN3 to D8, and IN4 to D9 on the Arduino board.

Connect the IR receiver signal pin to the D2 pin on the Arduino.

Connect the power and ground of the motor and IR receiver to 5V and GND respectively.

Installing libraries:

IRremote : This library is used to receive infrared signals from the remote controller. To install it, open the Arduino IDE and go to Sketch > Include Library > Manage Libraries. Search for “IRremote” and install it.

Stepper : It is a standard library that is already included in the Arduino IDE, so you do not need to install anything additional to control the motor.

Code

Source code

C/C++

#include <IRremote.h>
#include <Stepper.h>
// Pines del motor paso a paso
#define IN1 6
#define IN2 7
#define IN3 8
#define IN4 9
// Configuración del motor
const int pasosPorRevolucion = 2048; // Pasos para una revolución completa
Stepper motor(pasosPorRevolucion, IN1, IN3, IN2, IN4);
// Pines del receptor IR
const int receptorIR = 2;
// Variables para el control remoto
IRrecv irrecv(receptorIR);
decode_results resultados;
// Códigos IR para las funciones (ajusta estos códigos según tu control remoto)
unsigned long codigoDerecha = 0x7EC31EF7; // Cambia estos códigos por los de tu control
unsigned long codigoIzquierda = 0xC101E57B;
unsigned long codigoStop = 0x5B83B61B;
unsigned long codigoAumentarVelocidad = 0xF63C8657; // Código para aumentar la velocidad
unsigned long codigoDisminuirVelocidad = 0x2A89195F; // Código para disminuir la velocidad
// Variables de control
enum EstadoMotor { PARADO, GIRANDO_DERECHA, GIRANDO_IZQUIERDA };
EstadoMotor estadoActual = PARADO;
int velocidad = 6; // Velocidad inicial, valor entre 1 y 12
void setup() {
  Serial.begin(9600);
  irrecv.enableIRIn(); // Iniciar receptor IR
  motor.setSpeed(velocidad); // Ajusta la velocidad inicial del motor
}
void loop() {
  // Leer señal del control remoto
  if (irrecv.decode(&resultados)) {
    unsigned long codigo = resultados.value;
    Serial.print("Código IR recibido: ");
    Serial.println(codigo, HEX); // Mostrar el código en hexadecimal    
    if (codigo == codigoDerecha) {
      estadoActual = GIRANDO_DERECHA;
      Serial.println("Cambiar a giro hacia la derecha");
    } else if (codigo == codigoIzquierda) {
      estadoActual = GIRANDO_IZQUIERDA;
      Serial.println("Cambiar a giro hacia la izquierda");
    } else if (codigo == codigoStop) {
      estadoActual = PARADO;
      Serial.println("Detener motor");
    } else if (codigo == codigoAumentarVelocidad) {
      cambiarVelocidad(true); // Aumentar velocidad
    } else if (codigo == codigoDisminuirVelocidad) {
      cambiarVelocidad(false); // Disminuir velocidad
    }
    irrecv.resume(); // Preparar el receptor para la próxima señal
  }
  // Ejecutar acción según el estado actual
  switch (estadoActual) {
    case GIRANDO_DERECHA:
      motor.step(1); // Mover en pasos pequeños en dirección derecha
      break;
    case GIRANDO_IZQUIERDA:
      motor.step(-1); // Mover en pasos pequeños en dirección izquierda
      break;
    case PARADO:
      // No hacer nada, el motor está detenido
      break;
  }
}
void cambiarVelocidad(bool aumentar) {
  if (aumentar && velocidad < 12) {
    velocidad++;
    Serial.print("Aumentar velocidad: ");
  } else if (!aumentar && velocidad > 1) {
    velocidad--;
    Serial.print("Disminuir velocidad: ");
  }
  motor.setSpeed(velocidad); // Actualizar velocidad del motor
  Serial.println(velocidad);
}

Oct 22,2024

142 views

Infrared stepper motor control with speed control

In this project, we will learn how to control a 28BYJ-48 stepper motor using an infrared remote controller and an Arduino.

142

Published: Oct 22,2024

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