// Code for D21E17A
// defines pins
#define stepPin 4
#define dirPin 5
void setup() {
// Sets the two pins as Outputs
pinMode(stepPin,OUTPUT);
pinMode(dirPin,OUTPUT);
}
void loop() {
digitalWrite(dirPin,HIGH); // Enables the motor to move in a particular direction
for(int x = 0; x < 250; x++) {
digitalWrite(stepPin,HIGH);
delayMicroseconds(700); // by changing this time delay between the steps we can change the rotation speed
digitalWrite(stepPin,LOW);
delayMicroseconds(700);
}
delay(1000); // One second delay
digitalWrite(dirPin,LOW); //Changes the rotations direction
for(int x = 0; x < 250; x++) {
digitalWrite(stepPin,HIGH);
delayMicroseconds(500);
digitalWrite(stepPin,LOW);
delayMicroseconds(500);
}
delay(1000);
}
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