Nixie Clock IN-8-2 - Page 2

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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