Congratulations Alice, glad to hear things worked out for you. I have been
on this list for about a year now and while I've done two PIC projects I
have done very little of Êthe software myself, Êso will look for help from
the rest of you when I begin the next project not having a software
assembly person to rely on. Makes me nervous to think about it.

@
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07/07/99 12:08 AM PST
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Subject: results: the Project that Ate my Brain


Hello all,

My first pic project hits the street (well, a dump) tomorrow or the
next day. ÊI owe it all to you guys.

For the record, it took about 1 year from concept to the
Al-o-Tron Mark 1 landfill datalogger. ÊArmed only with enthusiasm and
a ham radio license, i learned to program the 16c84 in assembly,
including watchdog timeouts, using reset as interrupt, and
designed the circuit, including 8-bit adc 0831, memory 93c56, figured
out how to make the 33khz crystals work, wrote a 300-baud serial
interface, hooked in a 15 psi sensym pressure sensor, learned to
create a temperature compensation circuit for it, built my first
instrumentation amplifier, built an infrared link that doesnt work
too well yet, produced my first circuit board, and put in a s81350hc
ldo regulator. Êi plan to upgrade the adc to 12 bits when i locate an
8-pin one. ÊIt runs off 9volts because thats all i know how to do
yet, but when i figure out switchers i will change it to 2AAs.

This has been an incredible experience. ÊI couldnt have done it
without you. ÊSpecial thanks to

David Tait
Dave Johnson
Don Mckenzie
Glenn Torr
Jose Maria Goni
Paul Webster
Peter Peres
Regulus Berdin
Russel McMahon
Sean Breheny
Thomas Mcgahee
Tony Nixon
Wagner Lipnharski

its been an honor to eavesdrop on all you swells.
Ê Ê Ê Ê Ê Ê Ê Êclrwdt
hooray Êits working
Ê Ê Ê Ê Ê Ê Ê Ê its working
Ê Ê Ê Ê Ê Ê Ê Ê its working
Ê Ê Ê Ê Ê Ê Ê Ê its working
Ê Ê Ê Ê Ê Ê Ê Êgoto Ê Êhooray

end
alice