> Your clock is very precise

I wish I didn't have to butcher wall clocks to get those modules.
At $2 each for a whole clock, that's not an issue but I don't like
that sort of waste. A couple of things I'm working on may go
into some medium volume production, but I think even then I'd
still be well under the radar for a clock module supplier. One of
these days I'd like to find a supplier for a 1000 or so

> But the board is done and I don't feel like redoing it

Fair enough

> Adding temperature compensation would turn it into an almost
> atomic clock ;)

I don't know how these cheap clock modules stay so accurate
over long periods, not when you consider what's involved to
make a good T-C clock source. And it seems most unlikely
that they're individually calibated and laser-trimmed. Hats off
to the designers

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