How to draw patter using LED Matrix"
uint8_t column_pins[4] = { 2, 3, 4, 5 }; uint8_t row_pins[4] = { 11, 10, 9, 8 }; static void init(void) { /* Turn all columns off by setting then low. */ for (uint8_t x=0; x<4; x++) { pin_mode(column_pins[x], OUTPUT); digital_write(column_pins[x], LOW); } /* Turn all rows off by setting then high. */ for (uint8_t y=0; y<4; y++) { pin_mode(row_pins[y], OUTPUT); digital_write(row_pins[y], HIGH); } }
