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- // Adafruit_NeoMatrix example for tiled NeoPixel matrices. Scrolls
- // 'Howdy' across three 10x8 NeoPixel grids that were created using
- // NeoPixel 60 LEDs per meter flex strip.
- #include <Adafruit_GFX.h>
- #include <Adafruit_NeoMatrix.h>
- #include <Adafruit_NeoPixel.h>
- #ifndef PSTR
- #define PSTR // Make Arduino Due happy
- #endif
- #define PIN 6
- // MATRIX DECLARATION:
- // Parameter 1 = width of EACH NEOPIXEL MATRIX (not total display)
- // Parameter 2 = height of each matrix
- // Parameter 3 = number of matrices arranged horizontally
- // Parameter 4 = number of matrices arranged vertically
- // Parameter 5 = pin number (most are valid)
- // Parameter 6 = matrix layout flags, add together as needed:
- // NEO_MATRIX_TOP, NEO_MATRIX_BOTTOM, NEO_MATRIX_LEFT, NEO_MATRIX_RIGHT:
- // Position of the FIRST LED in the FIRST MATRIX; pick two, e.g.
- // NEO_MATRIX_TOP + NEO_MATRIX_LEFT for the top-left corner.
- // NEO_MATRIX_ROWS, NEO_MATRIX_COLUMNS: LEDs WITHIN EACH MATRIX are
- // arranged in horizontal rows or in vertical columns, respectively;
- // pick one or the other.
- // NEO_MATRIX_PROGRESSIVE, NEO_MATRIX_ZIGZAG: all rows/columns WITHIN
- // EACH MATRIX proceed in the same order, or alternate lines reverse
- // direction; pick one.
- // NEO_TILE_TOP, NEO_TILE_BOTTOM, NEO_TILE_LEFT, NEO_TILE_RIGHT:
- // Position of the FIRST MATRIX (tile) in the OVERALL DISPLAY; pick
- // two, e.g. NEO_TILE_TOP + NEO_TILE_LEFT for the top-left corner.
- // NEO_TILE_ROWS, NEO_TILE_COLUMNS: the matrices in the OVERALL DISPLAY
- // are arranged in horizontal rows or in vertical columns, respectively;
- // pick one or the other.
- // NEO_TILE_PROGRESSIVE, NEO_TILE_ZIGZAG: the ROWS/COLUMS OF MATRICES
- // (tiles) in the OVERALL DISPLAY proceed in the same order for every
- // line, or alternate lines reverse direction; pick one. When using
- // zig-zag order, the orientation of the matrices in alternate rows
- // will be rotated 180 degrees (this is normal -- simplifies wiring).
- // See example below for these values in action.
- // Parameter 7 = pixel type flags, add together as needed:
- // NEO_RGB Pixels are wired for RGB bitstream (v1 pixels)
- // NEO_GRB Pixels are wired for GRB bitstream (v2 pixels)
- // NEO_KHZ400 400 KHz bitstream (e.g. FLORA v1 pixels)
- // NEO_KHZ800 800 KHz bitstream (e.g. High Density LED strip)
- // Example with three 10x8 matrices (created using NeoPixel flex strip --
- // these grids are not a ready-made product). In this application we'd
- // like to arrange the three matrices side-by-side in a wide display.
- // The first matrix (tile) will be at the left, and the first pixel within
- // that matrix is at the top left. The matrices use zig-zag line ordering.
- // There's only one row here, so it doesn't matter if we declare it in row
- // or column order. The matrices use 800 KHz (v2) pixels that expect GRB
- // color data.
- Adafruit_NeoMatrix matrix = Adafruit_NeoMatrix(10, 8, 3, 1, PIN,
- NEO_TILE_TOP + NEO_TILE_LEFT + NEO_TILE_ROWS + NEO_TILE_PROGRESSIVE +
- NEO_MATRIX_TOP + NEO_MATRIX_LEFT + NEO_MATRIX_ROWS + NEO_MATRIX_ZIGZAG,
- NEO_GRB + );
- const uint16_t colors[] = {
- matrix.Color(255, 0, 0), matrix.Color(0, 255, 0), matrix.Color(0, 0, 255) };
- void setup() {
- matrix.begin();NEO_KHZ800
- matrix.setTextWrap(false);
- matrix.setBrightness(40);
- matrix.setTextColor(colors[0]);
- }
- int x = matrix.width();
- int pass = 0;
- void loop() {
- matrix.fillScreen(0);
- matrix.setCursor(x, 0);
- matrix.print(F("Howdy"));
- if(--x < -36) {
- x = matrix.width();
- if(++pass >= 3) pass = 0;
- matrix.setTextColor(colors[pass]);
- }
- matrix.show();
- delay(100);
- }
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