Membuat COUNTER UP dan DOWN Seven Segment Dengan Push Button
I.Tujuan
1.Siswa dapat memahami program counter di Arduino
2.Siswa dapat membuat counter up dan down di arduino
II.Alat dan Bahan
1.PC
2.Jaringan Internet
3.Program Arduino IDE
4.Arduino Uno
5.Jumper
6.Breadboard
7.Push Button
8.Resistor 3 buah, 330 ohm
9.Seven segment
III.Deskripsi Tugas
1.Membuat program counter menggunakan Arduino IDE
V.Langkah Kerja
1.Siapkan alat dan bahan
2.Buat rangkaian seperti berikut
3.Buka Aduino IDE
4.Klik pada tab tool -> Board -> Arduino/Genuino Uno
5. Klik pada tab tool -> Port -> COM3 (sesui dengan port Arduino yang tedeteksi)
6. Isikan kode program berikut :
int A = 2;
int B = 3;
int C = 4;
int D = 6;
int DP = 5;
int E = 7;
int F = 8;
int G = 9;
int switchUpPin = 13;
int switchDownPin = 12;
int counter = 0;
int buttonUpState = 0;
int lastButtonUpState = 0;
int buttonDownState = 0;
int lastButtonDownState = 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()
{
buttonUpState = digitalRead(switchUpPin);
buttonDownState = digitalRead(switchDownPin);
if (buttonUpState != lastButtonUpState)
{
if (buttonUpState == HIGH)
{
if(counter == 9)
{
counter = -1;
}
counter++;
Serial.println(counter);
changeNumber(counter);
delay(300);
}
else
{
Serial.println("OFF");
}
delay(50);
}
if (buttonDownState != lastButtonDownState)
{
if (buttonDownState == HIGH)
{
if(counter == 0)
{
counter = 10;
}
counter--;
Serial.println(counter);
changeNumber(counter);
delay(300);
}
else
{
Serial.println("OFF");
}
delay(50);
}
changeNumber(counter);
}
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;
}
}
7. Upload ke Arduino
V. Hasil Kerja
Kunjungi : Khttps://youtu.be/uVknIARXnz4
VI.Keselamatan Kerja
1.Menggunakan workpack
2.Tidak makan/minum di lab
3.Tidak membawa makanan/minuman di lab
4.Mentaati peraturan di lab
VII.Kesimpulan
Siswa dapat membuat program counter up dan counter down dengan 2 push button dengan baik dan benar.Kesalahan yang terjadi adalah kesalahan dalam merangkai rangkaian dan dapat diatasi dengan membenarkan kesalahan dalam perangkaian tersebut.
Klaten, 1 Februari 2017
Guru Pembimbing Peserta Didik
( Y. Prasetya Adi N, ST) ( Fajar Fathony)
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