Lambda Nixie Clock

An IN-14 (ИН-14) based nixie clock.

Firmware

The firmware can be found in the firmware subdirectory.

Main components

• OtterPill - A STM32F072 devboard.
• 170V Nixie Power Supply
• IN-14 (ИN-14) nixie tubes.
• K155ID1 - Binary decoders and nixie tube drivers.
• SN74HC595N - 8-bit shift registers.
• DS3231 - RTC module
• 24C32N - EEPROM