ESP8266 Stepper Driver Module Project

This project demonstrates how to control a stepper motor using an ESP8266 microcontroller with a stepper driver module. Stepper motors are commonly used in projects requiring precise rotational control, such as robotics, CNC machines, and 3D printers.

Components Needed

Circuit Diagram

Circuit Setup

1.Connecting the Stepper Driver Module to ESP8266:

STEP Pin: Connect to a GPIO pin (e.g., D1) on the ESP8266.

DIR Pin: Connect to a GPIO pin (e.g., D2) on the ESP8266.

MS1, MS2, MS3 (if applicable): Set to appropriate logic levels for microstepping (if supported).

gnd: Connect to the ground (GND) of the ESP8266.

VMOT (Motor Power): Connect to the motor power supply (e.g., 8-35V DC).

VCC (Logic Power): Connect to the 3.3V or 5V output of the ESP8266.

Instructions

1.Setup:

Include the AccelStepper library for controlling the stepper motor.

Define GPIO pins connected to the STEP and DIR pins of the stepper driver module.

Define the number of steps per revolution for your stepper motor.

Initialize the AccelStepper object with the stepper driver type and pin assignments.

Set the maximum speed and acceleration of the stepper motor.

2.operation:

In the main loop, move the stepper motor 360 degrees (1 revolution) clockwise.

Wait for the motor to reach the target position using runToPosition().

Delay for 1 second.

Rotate the stepper motor 360 degrees counterclockwise.

Delay for 1 second.

Applications

robotics: Control robot joints and movements.

CNC Machines: Positioning of axes for milling, cutting, or engraving.

3D Printers: Precise control of extruder and bed movements.

Notes

microstepping: Adjust the MS1, MS2, MS3 pins for microstepping if supported by your stepper driver.

Power Supply: Ensure the stepper motor and driver module are powered adequately for reliable operation.