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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
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Hours, Minutes and Seconds display
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12 or 24 hour operation modes
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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
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Programmable leading zero blanking
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Date display in either DD/MM/YY or MM/DD/YY format
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Alarm
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Simple time setting using three buttons
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Standard, crossfade and scrollback display modes
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“Slot Machine” Cathode poisoning prevention routine
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Programmable Blue LED tube lighting
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Not AC frequency dependent – works in all countries
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Auto increase of adjusting value for quick time setting
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Neon colon indicators blinking at 1 Hz
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Tubes are driven in high frequency dynamical indication and provide service for many years
