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I built this beautiful LED matrix display with an ESP32 for $30

LED matrix display comes in. There are plenty of LED-based displays out there like this one, but the problem is that many of them are proprietary, may not support your own self-hosted solutions, or ...
EDN

ESP32/ESP8266 WIFI Display using MQTT Protocol

The ESP32/ESP8266 WIFI display using MQTT protocol project features several wifi modules suitable to IoT applications. These WiFi modules has OLED display integrated or connected particularly to the ...