mcguire at neurotica.com
Wed Mar 7 01:32:24 CST 2007
On Mar 6, 2007, at 7:49 PM, Tom Peters wrote:
> My great treasure is a box of Burroughs 7971 nixies. I have five,
> or maybe six of them. As you may know, these are "British Flag"
> displays that can do any number, letter, and some punctuation.
> They're 4.55 inches high, excluding the pins, and the characters
> are 2.5 inches high.
Those are gorgeous tubes.
> The other thing I want is a WWV decoder so it sets itself. Yes, I
> know I could periodically set it over a USB port, but I want it to
> be self sufficient if no PC is handy. The only suggestions I've
> gotten so far are to cut up a cheapo atomic clock from a big-box
> store and salvage the 1 PPS output from it. That might help me keep
> it accurate, but won't help me set it automagically.
You could obtain (or construct) a small, dumb WWVB receiver (like
one of the ones in the cheapo clocks) and pipe it into this
He describes a (trivial) PIC-based design, and provides schematics
and source code.
Port Charlotte, FL
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