I’ll have to go read about the Lord Vetinari clock. He is one of my favorite book characters.
Thanks for all the tips. I might have an old quartz clock around here to test. I assume I can just measure the pulse while it is running and generate the same with the 1PPS output. I’ll have to program a way to advance it, maybe use an Arduino or some other micro and add a few switches. > On Jan 2, 2020, at 12:43 PM, Philip Gladstone > <pjsg-timen...@nospam.gladstonefamily.net> wrote: > > It depends on how much work you want to do. I have various clocks driven > off 1PPS (or 2PPS) signals. The cheapest approach is to take almost any > quartz clock with a second hand and drive the coil directly (you need to > pulse with alternate polarities -- i.e. there are even and odd pulses). > > I was introduced to this technique by building a Lord Vetinari clock (e.g. > https://www.instructables.com/id/Lord-Vetinari-Clock/ ) > > I purchased something like > https://www.ebay.com/itm/8-5-INCH-KAPPA-SHIPS-BOAT-YACHT-MARINE-RADIO-ROOM-SLAVE-NAVIGATION-CLOCK/143072681993?hash=item214fcbe009:g:Gn8AAOSwYTtcKPIp > and > it turned out to be a 2PPS clock.... > > Fun getting this stuff working! > > On Thu, Jan 2, 2020 at 3:32 PM Jerry Hancock <je...@hanler.com> wrote: > >> Hello, >> >> I looked around but can’t find a wall clock that would take a 1PPS input >> signal to drive the minutes and seconds. I’ve made digital modules using a >> lot of different displays but would love to have a large, 14” or so with a >> second hand, wall clock that I can drive with 1PPS. The old IBM clocks, >> etc I found take a pulse on the minute. I have an old pendulum clock I can >> drive with a solenoid but thought I would ask here before going that route. >> >> Signal levels aren’t important. >> >> Thanks >> >> Jerry >> >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@lists.febo.com >> To unsubscribe, go to >> http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com >> and follow the instructions there. >> > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. Jerry Hancock je...@hanler.com _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.