Not that we’re complaining, of course. The latest entry into the pantheon of unusual timepieces is this ESP32-powered desk clock from [Alejandro Wurts] that features a folding LED matrix display.

In addition to driving the LED matrix display, the ESP32 polls Zürich’s public transportation API and then parses the XML for the relevant information.

This code uses an ESP32 and an 8×8 LED matrix (WS2812/NeoPixel). It listens for incoming JSON messages via Serial and renders various patterns on the LEDs. This project demonstrates drawing simple ...