a gargantuan 7-segment device running on smart LEDs runs on arduino. Tested on ArduinoUno, should work on any. Prepared and pretested on NodeMCU (D1) as well. Required Hardware:
- Strings of WS2812 / WS2818 LEDs
- Power supply.
to do for v2:
- Color scheme
- settable Countdown timer
to do for v3:
- Umstellen auf NodeMCU
- NTP + RTC
- Wifi HTTP Interface