Circuit Cellar Ink 168
July 2004

Table of Contents


Jennifer Huber

HTML Task Manager

Presentation is Everything


John Gorsky

New Product News

  • TVP5147 broadcast video decoder from Texas Instruments, Inc.
  • half and full size VGA LCDs from Amulet Technologies
  • TDSR family of 7-segment displays from Vishay Intertechnology, Inc.
  • AD9883A analog display interface from Analog Devices, Inc.


David Tweed

HTML Test Your EQ


Alberto Ricci Bitti

Adaptable Multimedia Thermometer

Flash Innovation 2003 Design Contest Winner

Alberto's 68HC908QT4-based multimedia thermometer displays temperature readings in full color on a TV screen. What's more, you can add animated pictures along with high-quality audio to announce each temperature change. If you don't need a temperature-taking system, you can use the design techniques described here to display any other type of data.



Eric Gagnon

Full-Field Color Video Frame Grabber

Eric's frame grabber enables the single-shot digitization of a full field of color video. Use this circuit for digital, freeze-frame, and motion-triggered camera design projects.



Robert Lacoste

HTML Easy Reflow

Build an SMT Reflow Oven Controller

When designing high-speed applications, working with SMT components and soldering by hand can be tedious. Robert's H8/3687-based SMT Reflow Oven Controller transforms a conventional infrared toaster oven into an effective reflow oven that ensures thermal control.



George Martin

Designing with the Nios

Part 2: System Enhancement

Last month, George laid the groundwork for a Nios-based two-axis motion control system. Now he discusses velocity feedback and preps you on the software you'll need to drive it.



Dick Cappels

Triple AVR Waveform Capture and Display

Three Controllers Make a Waveform Monitor

Dick built a simple waveform capture and display system around three AT90S2313 microcontrollers. Although it's not a replacement for a real-time oscilloscope, he relies on the system for a variety of tasks such as monitoring the I/O on a microcontroller.


Applied PCs


Fred Eady

Uncomplicated dsPIC Implementation

As soon as Fred got his hands on a Microchip dsPICDEM 28-pin demo board, he modified it. This month he proves that you don't have to be a DSP wiz to get started with the dsPIC.



Bruce M. Pride


An Intelligent User Interface

Bruce's Smart-E-Touch is an intelligent, touchscreen-based UI design in which a 68HC908QY4 microcontroller controls a pair of Motorola e-field sensors. This inexpensive system is the perfect alternative to the pricier touchscreen UIs on the market.



Brian Millier

Graphics LCD Library for the Z8 Encore!

Brian has created a graphics library you can use for your future projects. It provides access for Encore! programs to graphics LCD panels driven by the T6963 LCD driver chip.


From the Bench


Jeff Bachiochi

Lose the Crystal

Linear's LTC6903/4 Programmable Oscillator

There are many different silicon oscillators out there, but Jeff thinks the LTC6903 is a standout. Read on to learn how he used it with a microcontroller to control a four-digit LED.


Silicon Update


Tom Cantrell


Part 1: Motor Basics

Intelligent motor control should be the only kind of motor control you design into your projects. But before you start sketching your next design, take some time to learn about the electric motors at your disposal. Tom covers them all, from brush to brushless.


Advertiser's Index / August Preview


Steve Ciarcia

HTML Priority Interrupt

War Driving

FTP Directory for INK 168
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