IV-25 VFD tubes (loosely)
100 cyan leds were acquired
http://blog.mark-stevens.co.uk/2015/05/stm8s-i2c-slave-device/
https://github.com/VincentYChen/STM8teach/tree/master/code/Project/STM8S_StdPeriph_Examples/I2C
https://hackaday.io/page/2128-the-070-stm8-board
currently just researching stuff (also waiting on tubes)
stuff like in https://hackaday.io/page/793-0x06-nttf-fake-nixie-tubes-more-a-gallery or #fixietube clock
I can dig it!! I a really like that you are using STM8, lot of nice affordable chips that no one seems to use. I wanna give them a try too someday!!