Terry,
Just so you know, you can buy premade motion sensors on a similar size
board, in case you don't feel like ordering etc. I have one on my clock
because I live off the grid and every watt is sacred (sung to the tune of
"every Sperm is Sacred" by Monty Python). I found placement to be important
for best function, so on the clock itself *might* not work well, you'll just
have to see.
Jonathan
----- Original Message -----
From: "Terry S" <[email protected]>
To: "neonixie-l" <[email protected]>
Sent: Tuesday, June 28, 2011 5:03 AM
Subject: [neonixie-l] Motion sensor board
I'm in the process of designing a tube-saver motion sensor board for
one of my clocks, it's a Jeff Thomas WWVB clock using the
irreplaceable Z568M nixies. No fresh ideas here really, taking the
Panasonic motion sensor used with the Pete Hand FLW clock, adding a
one-shot straight out of the parts' data sheet/app notes, and
interfacing it to the WWVB clock with either a SSR triac (Thanks Jeff)
or a relay contact.
I'm planning on having a batch of boards made up. The sensor will
mount right on the board (although one could extend it away with
wires, too) so the board will need to mount perpendicular to the main
clock board. It'll be very small - on the order of a square inch or
so. Adjustable on time. SMT.
Clearly with a board this size, I'm going to end up with a bunch of
them. Any interest? Any input or suggestions?
Terry
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