[time-nuts] locate 6 digit digital clock

W2HX w2hx at w2hx.com
Thu Jun 9 02:13:39 UTC 2011


I picked up this chip to create a nixie clock:
http://www.allspectrum.com/store/6-digit-nixie-tube-clock-controller-chip-p-
501.html

it has tons of features which you can read about here (condensed feature
list):
http://www.allspectrum.com/semiconductors/ics/Neonixie/6DIGIT-NIXIE-CLOCK-CH
IP/Neonixie-6-digit-nixie-clock-controller-options-v1.0.pdf

I picked up an old nixie time code reader display (systron donner) from a
surplus place (in seattle):
http://www.w2hx.com/x/nixie/IMG_2113.jpg

it was great because it had the nixies, controller chips, power supply and
everything. I just had to wire in the chip (prototype here):
http://www.w2hx.com/x/nixie/IMG_2511.JPG

final soldered version here:
http://www.w2hx.com/x/nixie/IMG_2721.JPG

and the final product here:
http://www.w2hx.com/x/nixie/IMG_2516.JPG

only problem is, it doesn't (yet) take a 1PPS input. I've contacted the
folks who made the chip to see if they would consider creating a version
with 1PPS.  But it does have a super cap that will let it keep time for
something like 8 hours. 

regards
73 Eugene W2HX


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