IoT Based Notice Board Using Dot Matrix Display

Updated: Jul 2, 2021

Wifi Controlled Display Board, In this tutorial, you will learn how to make an IOT “Internet of Things” based Notice Board using Nodemcu ESP8266 Wifi Module and Max7219 8×8 LED Matrix and to update a message via Wifi network Through a web page. The scrolling text message on the 8×8 LED Matrix can be updated at any time from local Web server.

Circuit diagram