Components that you will need:

ESP8266 board
MAX7219 module
Connecting Wires (jumper wire male to female)
Micro USB cable

MAX7219 Module ESP8266
VCC 3.3V
GND GND
DIN D7
CS D8
CLK D5

Libraries you need to install from the library manager ( 'MD_MAX72XX' & 'MD_Parola' )

Code:
https://www.roleneskosan.co.za/max721...