Миниатюрные часы на лампах ИН-16 (IN-16) и аккумуляторным питанием
Just a little self-powered clock
Hours and date
2 separate alarm clocks
battery voltage monitoring
Automatic brightness adjustment depending on the light.
Built-in lamp recovery function (treatment of cathode" poisoning").
Additional information and firmware updates:
https://vk.com/@retromodding-miniatu...ornym-pitaniem (Russian)