When I get my Tbolt, I was planning to program a PIC18F6722-based board
I have already designed and produced, into the role of passthru/monitor
to indicate lock. What other features would everyone want to see on a
Tbolt monitor board relative to features/displays? What kit price range
would you consider workable? I already have some similar RS-232
supervisory stuff programmed in Assembler for the board similar to what
a Tbolt supervisor would probably have. The board supports discrete
LEDs as well as the usual parallel LCD character display--currently a
20X4 matrix available from numerous sources like Crystalfontz and
others. The board is based on +5 volts.
If there was enough interest in a board, I probably would port the code
to a smaller 18FxxKxx-series processor, as the price of the 6722 has
gone through the roof and about 90 percent of the code space is unused.
The K-series in SOIC-28 is also much easier to hand solder! I'd just
have to work out a negative LCD bias supply as the K runs on 3.6 volts
maximum.
I wouldn't mind releasing the source code I've written too, if that
made things more customizable. The Assembler is free from Microchip.
I'm a bit busy at the moment, but could tend to customizations in
November/December (depends somewhat on when my Tbolt arrives!). Scale
of production greatly affects the cost, tho.
-Dave Medin
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