Proyek 8×8 dot Matrik Arduino versi 1

Cara memprogram 8×8 Dot Metrik dengan ARDUINO

Pertama-tama kami ingin menjelaskan tentang Proyek ini, sebenarnya Proyek ini kami tunjukan dengan sederhana atau langkah pertama untuk proyek 8×8 Dot Matrix ini. Adapun Proyek 8×8 Dot Matrix yang lebih rumit nanti kita akan jelaskan Proyek versi lanjut pada postingan selanjutnya atau Versi 2, Versi 3 dan Versi-versi lanjutan.

Pada Proyek ini, dimana tugas Anda mengenal Dasar dari Pemrogramannya terlebih dahulu (Besic).

ROW 1 sampai 8 adalah Kaki atau Pin pada Dote Matrix, sedangkan nomor 2 sampai 9 adalah Pin Platform Mikrokontroler(Arduino). Termasuk COL juga pada intinya sama dengan ROW, namun ROW adalah Baris Lampu dari atas ke bawah, sedangkan COL adalah baris lampu dari Kanan ke Kiri.

Untuk membedakan mana urutan Kaki nomor 1 sampai 8, anda bisa melihat Bentuk Benjolan atau label pada Dot Matrix.

Kontruksi pada Dot Matrix 8×8

Katoda

Anoda

Ukuran dan Keterangan Kontruksi

Bar Pin

Tahap Akhir, Kode Pemrograman

KODE

/* PROYEK – 8×8 Dot Matrix

#define ROW_1 2
#define ROW_2 3
#define ROW_3 4
#define ROW_4 5
#define ROW_5 6
#define ROW_6 7
#define ROW_7 8
#define ROW_8 9

#define COL_1 10
#define COL_2 11
#define COL_3 12
#define COL_4 13
#define COL_5 A0
#define COL_6 A1
#define COL_7 A2
#define COL_8 A3

const byte rows[] = {
ROW_1, ROW_2, ROW_3, ROW_4, ROW_5, ROW_6, ROW_7, ROW_8
};
const byte col[] = {
COL_1,COL_2, COL_3, COL_4, COL_5, COL_6, COL_7, COL_8
};

// The display buffer
// It’s prefilled with a smiling face (1 = ON, 0 = OFF)
byte ALL[] = {B11111111,B11111111,B11111111,B11111111,B11111111,B11111111,B11111111,B11111111};
byte EX[] = {B00000000,B00010000,B00010000,B00010000,B00010000,B00000000,B00010000,B00000000};
byte A[] = { B00000000,B00111100,B01100110,B01100110,B01111110,B01100110,B01100110,B01100110};
byte B[] = {B01111000,B01001000,B01001000,B01110000,B01001000,B01000100,B01000100,B01111100};
byte C[] = {B00000000,B00011110,B00100000,B01000000,B01000000,B01000000,B00100000,B00011110};
byte D[] = {B00000000,B00111000,B00100100,B00100010,B00100010,B00100100,B00111000,B00000000};
byte E[] = {B00000000,B00111100,B00100000,B00111000,B00100000,B00100000,B00111100,B00000000};
byte F[] = {B00000000,B00111100,B00100000,B00111000,B00100000,B00100000,B00100000,B00000000};
byte G[] = {B00000000,B00111110,B00100000,B00100000,B00101110,B00100010,B00111110,B00000000};
byte H[] = {B00000000,B00100100,B00100100,B00111100,B00100100,B00100100,B00100100,B00000000};
byte I[] = {B00000000,B00111000,B00010000,B00010000,B00010000,B00010000,B00111000,B00000000};
byte J[] = {B00000000,B00011100,B00001000,B00001000,B00001000,B00101000,B00111000,B00000000};
byte K[] = {B00000000,B00100100,B00101000,B00110000,B00101000,B00100100,B00100100,B00000000};
byte L[] = {B00000000,B00100000,B00100000,B00100000,B00100000,B00100000,B00111100,B00000000};
byte M[] = {B00000000,B00000000,B01000100,B10101010,B10010010,B10000010,B10000010,B00000000};
byte N[] = {B00000000,B00100010,B00110010,B00101010,B00100110,B00100010,B00000000,B00000000};
byte O[] = {B00000000,B00111100,B01000010,B01000010,B01000010,B01000010,B00111100,B00000000};
byte P[] = {B00000000,B00111000,B00100100,B00100100,B00111000,B00100000,B00100000,B00000000};
byte Q[] = {B00000000,B00111100,B01000010,B01000010,B01000010,B01000110,B00111110,B00000001};
byte R[] = {B00000000,B00111000,B00100100,B00100100,B00111000,B00100100,B00100100,B00000000};
byte S[] = {B00000000,B00111100,B00100000,B00111100,B00000100,B00000100,B00111100,B00000000};
byte T[] = {B00000000,B01111100,B00010000,B00010000,B00010000,B00010000,B00010000,B00000000};
byte U[] = {B00000000,B01000010,B01000010,B01000010,B01000010,B00100100,B00011000,B00000000};
byte V[] = {B00000000,B00100010,B00100010,B00100010,B00010100,B00010100,B00001000,B00000000};
byte W[] = {B00000000,B10000010,B10010010,B01010100,B01010100,B00101000,B00000000,B00000000};
byte X[] = {B00000000,B01000010,B00100100,B00011000,B00011000,B00100100,B01000010,B00000000};
byte Y[] = {B00000000,B01000100,B00101000,B00010000,B00010000,B00010000,B00010000,B00000000};
byte Z[] = {B00000000,B00111100,B00000100,B00001000,B00010000,B00100000,B00111100,B00000000};

float timeCount = 0;

void setup()
{
// Open serial port
Serial.begin(9600);

// Set all used pins to OUTPUT
// This is very important! If the pins are set to input
// the display will be very dim.
for (byte i = 2; i <= 13; i++)
pinMode(i, OUTPUT);
pinMode(A0, OUTPUT);
pinMode(A1, OUTPUT);
pinMode(A2, OUTPUT);
pinMode(A3, OUTPUT);
}

void loop() {
// This could be rewritten to not use a delay, which would make it appear brighter
delay(5);
timeCount += 1;

if(timeCount < 20)
{
drawScreen(A);
}
else if (timeCount < 40)
{
drawScreen(R);
}
else if (timeCount < 60)
{
drawScreen(D);
}
else if (timeCount < 80)
{
drawScreen(U);
}
else if (timeCount < 100)
{
drawScreen(I);
}
else if (timeCount < 120)
{
drawScreen(N);
}
else if (timeCount < 140) {
drawScreen(O);
}
else if (timeCount < 160)
{
drawScreen(ALL);
}
else if (timeCount < 180)
{
drawScreen(ALL);
}
else {
// back to the start
timeCount = 0;
}
}
void drawScreen(byte buffer2[])
{
// Turn on each row in series
for (byte i = 0; i < 8; i++) // count next row
{
digitalWrite(rows[i], HIGH); //initiate whole row
for (byte a = 0; a < 8; a++) // count next row
{
// if You set (~buffer2[i] >> a) then You will have positive
digitalWrite(col[a], (buffer2[i] >> a) & 0x01); // initiate whole column

delayMicroseconds(100); // uncoment deley for diferent speed of display
//delayMicroseconds(1000);
//delay(10);
//delay(100);

digitalWrite(col[a], 1); // reset whole column
}
digitalWrite(rows[i], LOW); // reset whole row
// otherwise last row will intersect with next row
}
}
//
/* this is siplest resemplation how for loop is working with each row.
digitalWrite(COL_1, (~b >> 0) & 0x01); // Get the 1st bit: 10000000
digitalWrite(COL_2, (~b >> 1) & 0x01); // Get the 2nd bit: 01000000
digitalWrite(COL_3, (~b >> 2) & 0x01); // Get the 3rd bit: 00100000
digitalWrite(COL_4, (~b >> 3) & 0x01); // Get the 4th bit: 00010000
digitalWrite(COL_5, (~b >> 4) & 0x01); // Get the 5th bit: 00001000
digitalWrite(COL_6, (~b >> 5) & 0x01); // Get the 6th bit: 00000100
digitalWrite(COL_7, (~b >> 6) & 0x01); // Get the 7th bit: 00000010
digitalWrite(COL_8, (~b >> 7) & 0x01); // Get the 8th bit: 00000001
}*/

KONTRUKSI

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