On Wed, Oct 19, 2016 at 6:15 AM, Dave Martindale <dave.martind...@gmail.com> wrote:
> If the "big digital clock" doesn't display the time with fractional-second > precision, then it only needs to be updated at 1 Hz, which can be done with > the 1 PPS directly. Consider replacing the 32 kHz crystal, divider chain, > and microprocessor with a new microcontroller that takes 1 Hz input and > drives the display in the same way. > > For an extra bonus, use a microcontroller with a serial port, and connect > the GPS receiver serial output to the serial port on the micro. Then you > can decode the serial data stream from the GPS, and automatically set the > clock to the correct time after a power failure - something the original > clock could not do. As a double bonus, make the clock display leap seconds > correctly when they happen. > > - Dave > > On Tue, Oct 18, 2016 at 10:03 PM, Lee - N2LEE via time-nuts < > time-nuts@febo.com> wrote: > > > > > 1. Does anyone know of a device that will take a 1PPS GPS timing signal > > and generate a 32.768 kHz sine wave output ? > > I have big digital clock that uses an 8 bit micro processor and an > > external 32.768 crystal. Obviously the external crystal is > > awful for accuracy. > > > > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > -- Chris Albertson Redondo Beach, California _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.