EVERYTHING FOR ELECTRONICS
MAGIC BOX KIT
DOES THE TRICK
I recently completed the Magic Box
featured in your April/May editions and
must say it was without a doubt one of the
best projects I have seen in your magazine.
Since I don’t usually have all the spare parts,
nor the time to gather them up, I usually
opt out for the kit version and go from
there. When it arrived, I was pleasantly
surprised to find all the parts, very well
packaged in groups and labeled, rather than
all thrown into one large bag like many other kits. The building instructions and documentation were expertly explained and
diagramed. It was a real pleasure building
the Magic Box, and it’s a blast watching
people try to figure it out. I contacted Zone-
masterskits.com to request a set of extra
Coke™ bottle pawns, and their response
was immediate and informative. I look
forward to Nuts & Volts for just this type
of project. I only wish all the projects were
of this magnitude. Keep them coming.
editorial, Developing Perspectives, in the
July ‘07 issue of Nuts & Volts.
Your readers should try the
American Radio Relay League’s online
course on digital electronics (www.
arrl.org). This is an excellent hands-on
course on using CMOS ICs.
Also, an additional way to develop
perspective is to try to invent a new way
of doing a function, such as sending
radio waves, adding numbers, steering
a robot, storing electrical energy, etc.
This inventive process will encourage
one to really examine what is going on
in existing electronics circuits and to
consider what alternatives may be
possible. You can use a morphological
table to further stir up new ideas.
Nickolaus E. Leggett
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I have some questions for Gerard
Fonte concerning his article in the August
N&V on the ARB. The op-amp he specified is an LMC6082 CMOS device. That
particular op-amp seems to be difficult to
find in a PDIP package in small quantities.
Do you know where I can buy just a
couple of them? Alternatively, what other op-amp would you recommend? How
about the LMC6442 or the LMC6042?
Continued on page 97
Thank you for Bryan Bergeron’s
Chuck Hellebuyck Marvin Mallon
Jeff Eckert David Geer
Peter Best Michael Simpson
Russ Kincaid Mike Bessant
Jon Williams Paul Verhage
Craig Lindley Vaughn Martin
Stuart Ball Doug Malone
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