A4988 Stepper Motor Driver and Nema17 Stepper Motor with ESP32 & Potentiometer | English Subtitle

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A4988 Stepper Motor Driver and Nema17 Stepper Motor with ESP32 & Potentiometer | English Subtitle
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Code : code is on the comment below.
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[@doit.20]

#include
// Define pin connections for ESP32
const int dirPin = 25; // You can choose any suitable GPIO pin
const int stepPin = 26; // You can choose any suitable GPIO pin
const int potPin = 14; // Analog input pin for the potentiometer
// Define motor interface type
#define motorInterfaceType 1
// Creates an instance
AccelStepper myStepper(motorInterfaceType, stepPin, dirPin);
void setup() {
// Set motor parameters for smooth movement
myStepper.setMaxSpeed(700); // Adjust maximum speed (steps per second)
myStepper.setAcceleration(300); // Adjust acceleration (steps per second squared)
myStepper.moveTo(6000); // Set initial target position
}
void loop() {
// Read the value from the potentiometer
int potValue = analogRead(potPin);
// Map the potentiometer value to a speed range
int speed = map(potValue, 0, 4095, 0, 700); // ESP32 ADC range is 0-4095
// Set the speed of the stepper motor
myStepper.setMaxSpeed(speed);
// Move the motor
myStepper.run();
// Check if the motor has reached the target position
if (myStepper.distanceToGo() == 0) {
// Change direction and set a new target position
if (myStepper.currentPosition() == 6000) {
myStepper.moveTo(-6000); // Change direction
} else {
myStepper.moveTo(6000); // Change direction
}
}
}

[@iamasgroup]

What is the value of the potentiometer?

[@doit.20]

You can use any pot 5kΩ to 47kΩ

[@iamasgroup]

@@doit.20 Thank you so much; you make great tutorials.