ESP8266 Clock Using MAX7219 LED Matrix Display - Hackster.io
DIY Digital Arduino Clock WIFI RED LED Dot Matrix ESP8266 MAX7219 GOOGLE Time | eBay
First Steps with the ESP8266 Wi-Fi Module | Maker, MakerED, Coding | Scrolling Text (Time, Temp., Humidity…) with 8×8 LED MATRIX | EDU: Digital CitiZENship, CyberSecurity, eSkills, Modern EDU by Gust MEES
ESP8266 Clock Using MAX7219 LED Matrix Display - Hackster.io
Tech Note 035 - ESP8266 Remote Message Board on a LED Matrix - YouTube
Smart Notice Board with ESP8266 & Dot Matrix LED Display