Circuit Cellar Ink 178
May 2005

Table of Contents


Jennifer Huber

HTML Task Manager

USB Bonanza


John Gorsky

New Product News

  • PK202-24-USB 2x20 PLED text display from Matrix Oribtal
  • MDEV-LICAL-MS development system for MS series encoders/decoders from Linx Technologies, Inc.
  • WildFire ColdFire-based SBC from Intec Automation
  • IC51 industrial SBC from IndustroLogic, Inc.


David Tweed

HTML Test Your EQ


Robert Lang

USB Interface Development

Need a USB interface for data acquisition? Simply choose a chip and software development system, and then build a circuit board. You can test the board with an uncomplicated HID mouse application.


2004 AVR Design Contest


Bertrand Achard

'Net Radio

Build an Internet Radio Receiver

Bertrand's ATmega64L-based 'Net Radio enables you to listen to Internet radio broadcasts without a PC. The 'Net Radio handles the Internet protocols and MP3 decoding tasks.



Dan Cross-Cole

USB 2.0 Interface

Daniel's inexpensive USB interface features an ADC0820 A/D converter chip and an EZ-USB interface. The system can sample 100,000 bps and send 512 bytes in 1 ms to a laptop.


Applied PCs


Fred Eady

Build a Wi-Fi Web Server

Fred's hooked on the topic of wireless LANs. This month he shows you how to get a wireless web server up and running with an SRAM-equipped, ATmega128-based Wi-Fi module. Now you too can serve web pages from a wireless 802.11b station.



Eric Gagnon

Digital RC Servo Controller

Part 2: Circuitry Details

In the first part of this series, Eric introduced you to the theory behind RC serial servo control. This month he describes the design of a high-resolution, 32-channel RC servo controller with a serial interface.



Prajakta Deshpande
Praveen P. Deshpande

Three-Axis Stepper Motor Controller

Part 2: Software Implementation

Now that you can design a three-axis stepper motor driver, it's time to learn how to control it. You can control the system locally with a keypad and remotely via an RS-232 serial interface.


2004 Zilog Design Contest


Ron Battles
Patrick Jackson
Scott Shumate

Network GPIB Controller

The GPIB protocol enables you to connect various pieces of test equipment. This team built a low-cost eZ80F91-based network GPIB controller for controlling equipment over Ethernet.


From the Bench


Jeff Bachiochi

Speech Synthesis with SpeakJet

The SpeakJet sound synthesizer is an affordable alternative to recorded voice synthesis. This month Jeff shows you how to add voice and sound features to your embedded project.



Stuart Ball

Connect with USBLab

No parallel printer port? Stuart's USBLab plugs into a USB port and provides you with eight bidirectional data bits, three address bits, a read/write direction control line, and a data strobe. It also has a serial input and output. Problem solved.


Silicon Update


Tom Cantrell

More Flash, Less Cash

Actel's flash memory FPGA concept has Tom excited. Read on to learn about the ProASIC3/E families of flash memory FPGAs.


Advertiser's Index / June Preview


Steve Ciarcia

HTML Priority Interrupt

Are You Driven by the Means or the End?

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