Component used:
- Elegoo Uno R3
- Max7219 module
- Female to Male Dupont wires
In this experiment we were able to turn on and off the 64 LEDs of each modules, using only 3 pins on Arduino.
This module is based on the MAX7219 chip which is a compact, serial input common-cathode driver that interfaces microcontrollers to LED matrices.
Here we have connected the VCC and Ground to the Arduino, pin 12 is connected to DIN , pin 11 is connected to CS and pin 10 is connected to CLK.
Below we can see the connection diagram
Embedded System 5 