Catégories
Liens
Afficheur matricielle de LEDS 8×8 et chaînable.
Ressources
Installer deux bibliothèques
Connectiques Nano
Code
Code pour déplacer un texte :
#include <SPI.h> #include <Adafruit_GFX.h> #include <Max72xxPanel.h> int pinCS = 10; // Attach CS to this pin, DIN to MOSI and CLK to SCK (cf http://arduino.cc/en/Reference/SPI ) int numberOfHorizontalDisplays = 4; // Number of Matrix int numberOfVerticalDisplays = 1; Max72xxPanel matrix = Max72xxPanel(pinCS, numberOfHorizontalDisplays, numberOfVerticalDisplays); String tape = "SANG CORPS RESTE PONT DANCE"; int wait = 40; // In milliseconds int spacer = 1; int width = 5 + spacer; // The font width is 5 pixels void setup() { matrix.setIntensity(3); // Use a value between 0 and 15 for brightness // Rotate the matrix in line matrix.setRotation(0, 1); matrix.setRotation(1, 1); matrix.setRotation(2, 1); matrix.setRotation(3, 1); } void loop() { for ( int i = 0 ; i < width * tape.length() + matrix.width() - 1 - spacer; i++ ) { matrix.fillScreen(LOW); int letter = i / width; int x = (matrix.width() - 1) - i % width; int y = (matrix.height() - 8) / 2; // center the text vertically while ( x + width - spacer >= 0 && letter >= 0 ) { if ( letter < tape.length() ) { matrix.drawChar(x, y, tape[letter], HIGH, LOW, 1); } letter--; x -= width; } matrix.write(); // Send bitmap to display delay(wait); } }