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- // Motor A
- int motor1Pin1 = 13;
- int motor1Pin2 = 12;
- //int enable1Pin = 14;
- // Setting PWM properties
- const int freq = 30000;
- const int pwmChannel = 0;
- const int resolution = 8;
- int dutyCycle = 200;
- void setup() {
- // sets the pins as outputs:
- pinMode(motor1Pin1, OUTPUT);
- pinMode(motor1Pin2, OUTPUT);
- //pinMode(enable1Pin, OUTPUT);
- // configure LED PWM functionalitites
- ledcSetup(pwmChannel, freq, resolution);
- // attach the channel to the GPIO to be controlled
- //ledcAttachPin(enable1Pin, pwmChannel);
- ledcAttachPin(motor1Pin1, pwmChannel);
- Serial.begin(115200);
- // testing
- Serial.print("Testing DC Motor...");
- }
- void loop() {
- // Move the DC motor forward at maximum speed
- Serial.println("Moving Forward");
- digitalWrite(motor1Pin1, LOW);
- digitalWrite(motor1Pin2, HIGH);
- delay(2000);
- // Stop the DC motor
- Serial.println("Motor stopped");
- digitalWrite(motor1Pin1, LOW);
- digitalWrite(motor1Pin2, LOW);
- delay(1000);
- // Move DC motor backwards at maximum speed
- Serial.println("Moving Backwards");
- digitalWrite(motor1Pin1, HIGH);
- digitalWrite(motor1Pin2, LOW);
- delay(2000);
- // Stop the DC motor
- Serial.println("Motor stopped");
- digitalWrite(motor1Pin1, LOW);
- digitalWrite(motor1Pin2, LOW);
- delay(1000);
- // Move DC motor forward with increasing speed
- digitalWrite(motor1Pin1, HIGH);
- digitalWrite(motor1Pin2, LOW);
- while (dutyCycle <= 255){
- ledcWrite(pwmChannel, dutyCycle);
- Serial.print("Forward with duty cycle: ");
- Serial.println(dutyCycle);
- dutyCycle = dutyCycle + 5;
- delay(500);
- }
- dutyCycle = 200;
- }
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