Buzzer

you can hear the active buzzer beeping once powered on

hardware

• Arduino Board
• Driver Board
• Stepper Motor

wire

• VCC VCC
• GND GND
• IN1 11
• IN2 10
• IN3 9
• IN4 8

code

const int IN1 = 11;
const int IN2 = 10;
const int IN3 = 9;
const int IN4 = 8;
const char tab1[] = {
  0x01, 0x03, 0x02, 0x06, 0x04, 0x0c, 0x08, 0x09
};
const char tab2[] = {
  0x01, 0x09, 0x08, 0x0c, 0x04, 0x06, 0x02, 0x03
};
void setup() {
  pinMode(IN1, OUTPUT);
  pinMode(IN2, OUTPUT);
  pinMode(IN3, OUTPUT);
  pinMode(IN4, OUTPUT);
}

void loop() {
  ctlStepMotor(360, 1);
  StepMotorStop();
  delay(1000);
  ctlStepMotor(-360, 1);
  StepMotorStop();
  delay(1000);
}

void ctlStepMotor(int angle, char speeds) {
  for (int j = 0; j < abs(angle); j++) {
    if (angle > 0) {
      for (int i = 0; i < 8; i++) {
        digitalWrite(IN1, ((tab1[i] & 0x01) == 0x01 ? true : false));
        digitalWrite(IN2, ((tab1[i] & 0x02) == 0x02 ? true : false));
        digitalWrite(IN3, ((tab1[i] & 0x04) == 0x04 ? true : false));
        digitalWrite(IN4, ((tab1[i] & 0x08) == 0x08 ? true : false));
        delay(speeds);
      }
    } else {
      for (int i = 0; i < 8; i++) {
        digitalWrite(IN1, ((tab2[i] & 0x01) == 0x01 ? true : false));
        digitalWrite(IN2, ((tab2[i] & 0x02) == 0x02 ? true : false));
        digitalWrite(IN3, ((tab2[i] & 0x04) == 0x04 ? true : false));
        digitalWrite(IN4, ((tab2[i] & 0x08) == 0x08 ? true : false));
        delay(speeds);
      }
    }
  }
}

void StepMotorStop() {
  digitalWrite(IN1, 0);
  digitalWrite(IN2, 0);
  digitalWrite(IN3, 0);
  digitalWrite(IN4, 0);
}