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O/T GPS synchronised wall clock

611 views 0 replies 1 participant last post by  Hans Moleman 
#1 · (Edited)
Geoff's Projects - GPS Synchronised Clock

I remember that a few years back I was looking for something like this when I needed a reference.
It is something for the enthusiastic DIY-er.
I think you need to solder it together and attach it to an existing wall clock.

I do have some reservations about this:
- It does not synchronize frequently enough. I have to do the sums but I think it can be fractions of a second out this way.
- You are better off with the correct time on your computer. It is much more central.
- Batteries

But, for what it's worth it is probably is as accurate as a RC wall clock.
You'll be the first one in town though with a GPS wall clock!

What I really want is drive a wall clock with the PPS output of a GPS. That would always be spot on to the µs. I've seen GPS clocks with PPS output for $10 at Alibaba.
 
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