Arduino 7segment

Membuat 7 segment counter up dengan push button

bahan 

Arduino UNO

7 segment

push button

Kabel Jumper

//pin 7 segment
int A = 12;
int B = 11;
int C = 10;
int D = 9;
int DP = 5;
int E = 8;
int F = 7;
int G = 6;

//push button pin
int switchUpPin = 13;
int counter = 0;
int buttonUpState = 0;
int lastButtonUpState = 0;

void setup() 
{
  Serial.begin(9600);
  pinMode(A, OUTPUT);
  pinMode(B, OUTPUT);
  pinMode(C, OUTPUT);
  pinMode(D, OUTPUT);
  pinMode(E, OUTPUT);
  pinMode(F, OUTPUT);
  pinMode(G, OUTPUT);
  pinMode(DP, OUTPUT);

  digitalWrite(DP ,HIGH);
}

void loop() 
{
  //mulai dengan menggunakan push button
  buttonUpState = digitalRead(switchUpPin);

  //Membaca push button status yang di tekan
  //melakukan proses untuk button yang di tekan
  if (buttonUpState != lastButtonUpState) 
  {
    if (buttonUpState == HIGH) 
    {
      if(counter == 16)
      {
        counter = -1;
      }
      counter++;
      Serial.println(counter);
      changeNumber(counter);
      delay(300);
    }
    else
    {
        Serial.println("OFF");
    }
   delay(50);
  }
  changeNumber(counter);
}

//tampilan led seven segment ketika aktif.
void changeNumber(int buttonPress)
{
  switch (buttonPress)
  {
    //number 0
    case 0:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, LOW);
      digitalWrite(G, HIGH);
      break;
    //number 1
    case 1:
      digitalWrite(A, HIGH);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, HIGH);
      digitalWrite(E, HIGH);
      digitalWrite(F, HIGH);
      digitalWrite(G, HIGH);
      break;
    //number 2
    case 2:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, HIGH);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, HIGH);
      digitalWrite(G, LOW);
      break;
    //number 3
    case 3:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, HIGH);
      digitalWrite(F, HIGH);
      digitalWrite(G, LOW);
      break;
    //number 4
    case 4:
      digitalWrite(A, HIGH);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, HIGH);
      digitalWrite(E, HIGH);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      break;
    //number 5
    case 5:
      digitalWrite(A, LOW);
      digitalWrite(B, HIGH);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, HIGH);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      break;
    //number 6
    case 6:
      digitalWrite(A, LOW);
      digitalWrite(B, HIGH);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      break;
    //number 7
    case 7:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, HIGH);
      digitalWrite(E, HIGH);
      digitalWrite(F, HIGH);
      digitalWrite(G, HIGH);
      break;
    //number 8
    case 8:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      break;
    //number 9
    case 9:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, HIGH);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      break;
       case 10:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, HIGH);
      digitalWrite(E, LOW);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      break;
        case 11:
      digitalWrite(A, HIGH);
      digitalWrite(B, HIGH);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      break;
        case 12:
      digitalWrite(A, LOW);
      digitalWrite(B, HIGH);
      digitalWrite(C, HIGH);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, LOW);
      digitalWrite(G, HIGH);
      break;
        case 13:
      digitalWrite(A, HIGH);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, HIGH);
      digitalWrite(G, LOW);
      break;
            case 14:
      digitalWrite(A, LOW);
      digitalWrite(B, HIGH);
      digitalWrite(C, HIGH);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      break;
      case 15:
      digitalWrite(A, LOW);
      digitalWrite(B, HIGH);
      digitalWrite(C, HIGH);
      digitalWrite(D, HIGH);
      digitalWrite(E, LOW);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      break;
  }
}