کد:
#include <Adafruit_GFX.h> // Core graphics library
#include <RGBmatrixPanel.h> // Hardware-specific library
#define CLK 8 // MUST be on PORTB!
#define LAT A3
#define OE 9
#define A A0
#define B A1
#define C A2
RGBmatrixPanel matrix(A, B, C, CLK, LAT, OE, false);
void setup() {
matrix.begin();
// draw a pixel in solid white
matrix.drawPixel(0, 0, matrix.Color333(7, 7, 7));
delay(500);
// fix the screen with green
matrix.fillRect(0, 0, 32, 16, matrix.Color333(0, 7, 0));
delay(500);
// draw a box in yellow
matrix.drawRect(0, 0, 32, 16, matrix.Color333(7, 7, 0));
delay(500);
// draw an 'X' in red
matrix.drawLine(0, 0, 31, 15, matrix.Color333(7, 0, 0));
matrix.drawLine(31, 0, 0, 15, matrix.Color333(7, 0, 0));
delay(500);
// draw a blue circle
matrix.drawCircle(7, 7, 7, matrix.Color333(0, 0, 7));
delay(500);
// fill a violet circle
matrix.fillCircle(23, 7, 7, matrix.Color333(7, 0, 7));
delay(500);
// fill the screen with 'black'
matrix.fillScreen(matrix.Color333(0, 0, 0));
// draw some text!
matrix.setCursor(1, 0); // start at top left, with one pixel of spacing
matrix.setTextSize(1); // size 1 == 8 pixels high
// print each letter with a rainbow color
matrix.setTextColor(matrix.Color333(7,0,0));
matrix.print('1');
matrix.setTextColor(matrix.Color333(7,4,0));
matrix.print('6');
matrix.setTextColor(matrix.Color333(7,7,0));
matrix.print('x');
matrix.setTextColor(matrix.Color333(4,7,0));
matrix.print('3');
matrix.setTextColor(matrix.Color333(0,7,0));
matrix.print('2');
matrix.setCursor(1, 9); // next line
matrix.setTextColor(matrix.Color333(0,7,7));
matrix.print('*');
matrix.setTextColor(matrix.Color333(0,4,7));
matrix.print('R');
matrix.setTextColor(matrix.Color333(0,0,7));
matrix.print('G');
matrix.setTextColor(matrix.Color333(4,0,7));
matrix.print("B");
matrix.setTextColor(matrix.Color333(7,0,4));
matrix.print("*");
// whew!
}
void loop() {
// do nothing
}
مرجع: