SPI_MAX7219_Matrix_BinaryClock

Implements a binary clock for a MAX7219 8x8 matrix display. Tested on STM32 Nucleo64 L152RE.

How a binary clock works

As the image below demonstrates, every column represents a decimal digit.

Setting the time

To set the time, use the following command through the serial monitor. Make sure the serial monitor is set to 115200 baud.

set HH:MM:SS

For example, for 10 hours, 37 minutes, and 49 seconds, you would use the following.

set 10:37:49