HT16K33_Font3x3.h a-z (3x3), 0-9 (3x4) 4x4 Row bytes, letters have col 3 & row 3 blank font3x3_drawChar(matrix, ch, row, col) HT16K33_FontDigits4x8.h 0-9 4 cols, 8px tall Column bytes, two digits fill ...

This project shows a LED matrix panel with 64x64 full RGB pixels driven by a ATMega-2560 Arduino. I added a Real Time Clock RTC_DS3231 to show the time. This display was created to help teachers in my ...