This 400 WS2812b LED matrix display uses an ESP32 to produce the following features: Time and Temperature: Time can be 12/24 (military) hour Inside or outside temperature (or both) in °F or °C ...

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.

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.