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nixiediy@gmail.com
Introduction
This parts kit intended for an electronics hobbyists that want to make a Nixie clock and do not want
go deep to complicated clock control electronics and software. This instruction step-by-step assists
you to assemble the clock.
The kit consists all necessary electronics parts (excluding Nixie tubes and power adapter) and a
microcontroller with pre-programmed an application software.
The main features of the clock
Hours, Minutes and Seconds display
12 or 24 hour operation modes
Time accuracy is provided by built-in RTC (Real Time Clock) based on extremely precise
DS3231 module with temperature compensation and backup with CR2032 battery
Programmable leading zero blanking
Date display in either DD/MM/YY or MM/DD/YY format
Alarm
Simple time setting using three buttons
Standard, crossfade and scrollback display modes
“Slot Machine” Cathode poisoning prevention routine
Programmable Blue LED tube lighting
Not AC frequency dependent – works in all countries
Auto increase of adjusting value for quick time setting
Neon colon indicators blinking at 1 Hz
Tubes are driven in high frequency dynamical indication and provide service for many years