Wangdd22 MAX7219 Dot Matrix Module For Arduino Microcontroller 4 In 1 Display with 5pin Line
WeMOS & MAX7219 based Information Display System - Hackster.io
1pcs Great It Matrix Led Shield V1.0.0 For Wemos D1 Mini Digital Signal Output Controller Module 8 X 8 Dot Board Control - Integrated Circuits - AliExpress
Matrix Tm1640 Led Shield V1.0.0 For Wemos D1 Mini Digital Signal Output Controller Module 8x8 Dot Board Control Expansion Module - Integrated Circuits - AliExpress
Matrix Led Shield V1.0.0 For Wemos D1 Mini Digital Signal Output Controller Module 8 X 8 Dot Board Control - Replacement Parts - AliExpress
A wireless progress indicator (Arduino, ESP8266, MAX7219) - Showcase - OctoPrint Community Forum
GitHub - sebastiandeppisch/youtubeSubscriberCountDisplay: Simple YouTube subscriber count display using ESP8266 and MAX7219 7 segment display