Tobers Multidisplay turns your LED-Matrix display into a widely configurable and customizable message center. For ESP8266 or ESP32 and MAX7219 8x8 LED matrix modules. The display can show time, date, ...

Arduino Simple LED Matrix 8x32 Alarm Clock. Contribute to vikonix/O-Clock development by creating an account on GitHub.

A quick response (QR) code is a type of barcode that can be read by a digital device to provide a greater amount of information than would normally be feasible.