[time-nuts] Fixing broken HP5065A LED clock
Poul-Henning Kamp
phk at phk.freebsd.dk
Wed Jan 13 08:38:08 UTC 2016
--------
In message <CAD2JfAjn8OnYpmA0S7rsFo0c4Cw7TgkHxVRoGsGTcUquKijFAQ at mail.gmail.com>, paul swed writes:
>Poul-Henning is that just the back board of the clock?
>I guess I did not realize there were actually 2 boards.
There are 3 and 2 board versions of the LED clock. Mine is the 2-board
version.
See the section about MM5313 here:
http://phk.freebsd.dk/hacks/HP5065A/20151225_clock/index.html
I think you can use my PCB to make the 3-board a 2-board
but you'd have to change some constants in the firmware to send out
50Hz rather than 1Hz.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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