[time-nuts] locate 6 digit digital clock
EWKehren at aol.com
EWKehren at aol.com
Thu Jun 9 14:26:28 UTC 2011
I have a good supply of MM5314N chips so all my clocks are based on the
chip. But I always wondered why as long as I have been on the list no one has
developed a LCD or LED unit using a PIC or other controller chip along
with a board. Is there no interest?
Bert Kehren Miami
In a message dated 6/9/2011 8:25:18 A.M. Eastern Daylight Time,
jmfranke at cox.net writes:
Very nicely done!
John WA4WDL
--------------------------------------------------
From: "W2HX" <w2hx at w2hx.com>
Sent: Wednesday, June 08, 2011 10:13 PM
To: "'Discussion of precise time and frequency measurement'"
<time-nuts at febo.com>
Subject: Re: [time-nuts] locate 6 digit digital clock
> 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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