An ultra fast Arduino library for MAX7219 and MAX7221 Led display drivers that utilizes hardware SPI
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Updated
Sep 15, 2019 - C++
An ultra fast Arduino library for MAX7219 and MAX7221 Led display drivers that utilizes hardware SPI
Countdown Timer: Range 1-99 minutes. Output time (mm:ss) to seven segment display and Audio to Buzzer. Input: Push button to start. Potentiometer used for time select.
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