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Nixie Tube Clock

I've always had a soft spot for shiny things. So when I discovered Paul Parry at Bad Dog Designs ran a course to make your own Nixie Clock, I couldn't resist ...

Parts list

Qty Product Part number
4 Nixie Tubes
2 4mm wire ended neon lamp
2 Bespoke Circuit Board
1 Bespoke case
4 3mm LED
1 PIC Microchip Microcontroller, 083-1309
4 2.7K resistor
4 1K resistor
4 EL817 Optocoupler
1 74141 / K155ID1 Nixie driver
6 4.7K resistor
1 78L05 5V voltage regulator
2 1N5819 Diode
1 1N4001 Diode
1 UF4004 Diode
3 390K Resistor
2 270R Resistor
3 100nF Ceramic Capacitor
1 1uF 250V Electrolytic
1 220uF 16-25V Electrolytic
1 15pF Ceramic Capacitor
1 33pF Ceramic
1 0.22F Capacitor
3 MPSA42 NPN Transistor
2 Miniature push button
1 500mA fuse
1 32.768KHz watch crystal
44 1mm sockets
2 10 way socket
2 10 way pin header
1 2.1mm PCB power socket
1 28 Way IC socket for IC2
1 100uH Radial Inductor
I am an inventor, engineer, writer and presenter. Other stuff: Royal Academy of Engineering Visiting Professor of Engineering: Creativity and Communication at Brunel University London; Fellow of the Institution of Mechanical Engineers and have a PhD in bubbles; Judge on BBC Robot Wars.


October 18, 2018 09:05

I like these crafted designs and time-keeping displays offer many possibilities.
Anyone, like me, who has, listened to wood or Bakelite valved radios in the past appreciate the warmth these brought to Saturday evenings.
I'm a stickler for accurate time and am going through the many stages of building a master clock, like the old Gents master-slave clocks in offices and factories. I'm finding the hardest bit being the display and have tried LED matrices, alphanumeric etc. The time bit is relatively easy using GPS and an Arduino (I gave up with MSF).
The plan is GPS provides the time source -- the time-keeping is done by RTC (DS3231) and the Arduino TimeLib library. The DS3231 might be off by 1-second in 24-hrs, so a pulse from the master clock at midnight (actually 23:30:30 to avoid rollover problems) corrects just the seconds.
Very satisfying getting the time from 22,000 miles away.
I spent a career modifying things and making them work better, and a childhood making boats, planes and railways.

0 Votes

October 22, 2018 13:21

Hi @Phil-S - Will you be blogging your build? I look forward to seeing the finished results!

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