Like this I do :o)
I hope You'll let me know when /if you have watches ready for sale :o)
Dan
----- Original Message -----
From: "David Forbes" <[email protected]>
To: "neonixie-l" <[email protected]>
Sent: Tuesday, June 19, 2012 4:33 AM
Subject: [neonixie-l] Nixie watch redesign nearly done
Some more renders...
http://www.cathodecorner.com/nwl-render/nwlra-back.jpg
http://www.cathodecorner.com/nwl-render/nwlra-front.jpg
http://www.cathodecorner.com/nwl-render/nwlra-oblique.jpg
http://www.cathodecorner.com/nwl-render/nwlra-side.jpg
This is the one that I'm getting a PC board made for. I will produce a few
in 3D-printed plastic cases to see how they work.
It has a 1 month rechargeable battery using a standard USB micro port.
There are buttons to set the time. Otherwise, it's electrically identical
to the previous version.
I ended up using standard rigid PC board, since it's a lot easier to make
a non-flimsy module with it, and I found that I could cram the CPU and
tube drivers on the socket board by switching to a QFN packaged PIC. So
the layout is also quite similar to the old version, just squarer.
The case is a bit taller than I'd like, because the low-profile 2mm SMT
socket strips that I would prefer to use as tube sockets are difficult to
come by. I may yet place an order with Samtec or FCI and get a bunch. As
it is, I'm using standard 4.5mm tall socket strips.
But I was able to keep the thickness down to 16mm.
--
David Forbes, Tucson AZ
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