A device which displays github notificaitons count.
The hardware is based on IV-9 7-segment indicator in form of Nixie tube.
It is controlled by SN74HC595N 8-bit shift register.
The firmare is written in kotlin and uses pi4j-core java library.
It sends SPI signal from Rapberry Pi to hardware device.
https://www.youtube.com/watch?v=wmR--jTyfpg
