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int directionPin = 12;
int pwmPin = 3;
int brakePin = 9;

void setup() {
  
//define pins
pinMode(directionPin, OUTPUT);
pinMode(pwmPin, OUTPUT);
pinMode(brakePin, OUTPUT);

}

void loop() {
digitalWrite(directionPin, HIGH);
//release breaks
digitalWrite(brakePin, LOW);

//set work duty forspin the motor
analogWrite(pwmPin, 170);
}