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April 2011

Nuts and Volts Magazine

Build The Stroboscopic Zoetrope

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Features

USB and the 32-Bit Micro Experimenter

Equip your Experimenter with a USB hardware interface to use in a variety of applications.


Mixed Voltage Systems — Interfacing 5V and 3.3V Devices

Get a clear understanding of the various options for interfacing signals at different voltages.



Projects

Build the Stroboscopic Zoetrope

Nuts & Volts Special

Try a new electronic “spin” on a very old animation technique.


True-Reading Automobile Gas Gauge

Automotive

Finally, here’s a device that can tell you exactly what your fuel level is.



Columns

TechKnowledgey
by Jeff Eckert
TechKnowledgey 2011
This month, read about platooning, desktop performance in a portable, a free Pascal compiler, and how to give your handhelds a charge, plus some other interesting stuff.

PICAXE Primer
by Ron Hackett
PICAXE Primer
Experimenting with capacitive-touch sensors.

Q&A
by Russell Kincaid
Q & A
A battery charge limiter, SPICE modeling, and a 433 MHz transmitter are some of the things you’ll learn about this time.

Smiley’s Workshop
by Joe Pardue
Smiley’s Workshop 33: USB to UART for Electronic Prototyping — Part 1
USB to UART for Electronic Prototyping — Part 1-33

The Design Cycle
by Fred Eady
The Design Cycle
Drive your projects with the SPECTRUM ACE ECS.

Open Communication
by Louis E. Frenzel
Open Communication
The wireless frequency spectrum crisis.

Departments

Designing For Others
by Bryan Bergeron
If you’ve ever designed and built an electronic gizmo for someone else, you know that once the device leaves your sight, anything goes.