Addressable LEDs illuminate eight binary bits in different combinations to display either the time or the status of various timers.
Full project write up is here: https://russelleveleigh.medium.com/striking-binary-clock-with-raspberry-pi-pico-w-and-addressable-rgb-leds
Makes use of the following sources:
Neopixel library: https://github.com/blaz-r/pi_pico_neopixel
Pico W Access Point: https://github.com/recantha/PicoWAccessPoint
MakerVerse RV3028 Python Module: https://github.com/CoreElectronics/CE-Makerverse-RV3028-MicroPython-Module