50 Power MOSFETs ■ By Gerard Fonte
Part 1 will cover the theory behind these
useful devices that have a lot of overlooked
54 A Touchof Spice ■ By Peter Stonard
This month, make discoveries about IC circuits
that are well-known and learn more about the
concepts of sub-circuits and macromodels.
60 How To: Surface Mount Soldering
■ By Robert Doerr
Get over your fear of working with these
34 Instrumentation for Model Rocketry
12 TechKnowledgey 2009
Incorporate additional instrumentation to a flight recorder
to measure a rocket’s rate of roll, relative altitude, and
booster-stage separation detection. ■ By Michael Bessant
Topics covered include reconnecting brain
●●●● Advanced Level
cells, a new unified storage appliance, don’t
mix headphones and pacemakers, plus more.
40 16x16 Tri-Colored LED Matrix —
Real Time Clock for the Parallax SX52
This project allows the user to create their own scrolling
display to show the time (or other messages) in multiple
colors. ■ By Timothy Gilmore
●●●● Advanced Level
44 The Proto Buddy
Take proto circuit building to the next level with this
device that allows you to expand your existing board
so you can create all kinds of circuits. ■ By Jim Stewart
●●●● Intermediate Level
31 NEW PRODUCTS
86 NV WEBSTORE
92 TECH FORUM
96 AD INDEX
15 Personal Robotics
Robo resolutions for 2009.
18 Stamp Applications
Puttingthe Spotlighton BASICStamp
Control from the couch — redux.
Reader Questions Answered Here
High impedance preamp, audio to LED
display driver, FM shutdown problem, more.
68 Getting Started With PICs
The Latestin Programming Microcontrollers
72 The Design Cycle
Advanced Techniquesfor Design Engineers
Chatting up a thumbdrive.
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6 January 2009
80 Smiley’s Workshop
An AVRCProgramming Series
A menu navigator.