The MAX7219 is one of those parts in your bin that has a “done and done” attitude. In case you’re unfamiliar, this chip can be used to control 7-Segment displays, 8×8 Matrix displays, or ...

“I’ve built a digital clock made out of 144 seven-segment displays controlled by an Arduino Nano. The segments are controlled by 18 MAX7219 ICs which can control up to 64 individual LEDs or 8 ...

Here is a simple, yet useful circuit of an Arduino 4-digit 7-segment LED display unit. The module used here is a self-contained, compact common-cathode module containing four 7-segment LED numeric ...

An advanced, compact, and PC-independent Arduino-based environmental monitoring module designed to display temperature and humidity using a MAX7219-based 7-segment display. This is a segment-display ...

#define MAX7219_CS 15 // CS pin used on Arduino MAX7219_Digit My_Display(MAX7219_CS); // Make an instance of MAX7219_Digit called My_Display and set CS pin // There are 16 LED's in the bar display the ...