Small (5.25" / 133.35mm) clock and art display built with 60 RGB LEDs, controlled with an ESP8266 using the FastLED library.
Fully open-source, and programmable over Wi-Fi or micro USB cable.
Controlled via a web app over Wi-Fi, and/or a wireless infrared remote control.
Parts list:
Controller assembly instructions: https://www.evilgeniuslabs.org/wifi-led-controller