Circuit Cellar Ink 210
January 2008

Table of Contents

4 CJ Abate	HTML Task Manager Twenty Years
8 John Gorsky	New Product News PTCHP series of self-regulating (PTC) thermistors from Vishay Intertechnology, Inc. PIC32 32-bit microcontroller family from Microchip Technology, Inc. UWDTPC stand-alone watchdog timer module from Industrologic, Inc. LMP7300 low-power precision comparator with 2.048-V reference from National Semiconductor Corp. 4N2X, 4N3X, H11AX and CNY17-X, CNY17F-X series of 6-pin DIP optocouplers from Everlight Electronics AS1538 12-bit, 8-channel, low-power I2C ADC from austriamicrosystems WEB-TEMP and WEB-TC Ethernet temperature interface modules from Measurement Computing Corp. Model 575 pulse and delay generator from Berkeley Nucleonics Corp.
13 David Tweed	HTML Test Your EQ
14 Brian Senese	Get Cooking with Embedded Linux You can use Linux for a wide range of embedded projects. For instance, Brian developed a Linux-based system that can store his favorite recipes and display them on a small LCD screen. Now he can access his recipes without opening a cookbook. Download: Senese-210.zip
22 Steve Ciarcia	Solar-Powering the Circuit Cellar Part 2: From the Ground Up Last month, Steve began describing the process of installing his solar PV system. This month, he covers the massive task of preparing two 11' schedule 80 poles (8" in diameter) to support two of the three solar arrays. As you'll see, it's easier said than done. The technical adventure continues!
30 Richard Hoptroff	Cash for Code Part 1: A Focus on Firmware Ever dream of becoming a firmware mogul? In the first part of this series, Richard looks at the potential for firmware to become an industry in its own right. He then describes what a product offering would have to look like in order for it to succeed in the marketplace.
40 Michael Griebling	Precision Oscillator Calibrator Michael built a precision oscillator calibrator that quickly and accurately measures low frequencies. The system can communicate with a host computer, perform initial frequency and calibration set up, and display measured oscillator errors. Download: Griebling-210.zip
50 Ben Smith	Build a Learning Remote Control You use an infrared (IR) remote control every day, but do you know how the technology works? Ben covers the topic of IR communication and describes a simple MAXQ2000-based remote control design. Download: Smith-210.zip
Lessons from the Trenches 56 George Martin	George Martin You need the right tools and procedures to make writing and debugging code as easy as possible. This month, George takes a break from his C language tutorial series to cover some tools that you should consider adding to your arsenal.
60 Monte Dalrymple	Designing for Hostile Environments Monte recently designed a CPU that will one day orbit Jupiter in one of the most hostile environments in the solar system. In this article, he describes design techniques that you can use to prepare your systems for operation in hostile environments.
Special Feature 68 Ed Nisley	That Was Then, This Is Now This month marks Circuit Cellar's 20th anniversary. Ed reminds us that even though embedded technology has come a long way since 1988, what's inside the box still counts. Electronics really is better today!
From the Bench 70 Jeff Bachiochi	Portable Poll Server Part 1: System Setup Jeff explains how to design a microcontroller-based polling system that can be attached to a LAN and used to feed web pages to a browser. Each page includes a question and possible answers. When a user is finished, the results can be displayed on a PC. Ask and you shall receive. Download: Bachiochi-210.zip
Silicon Update 78 Tom Cantrell	The Quad Squad Need some flash? Call on the "Quad Squad" when you need a lot of flash memory but don't have too many pins to spare. Tom introduces Winbond's new family of Quad I/O spiFlash parts.
93	Crossword Puzzle
94	Advertiser's Index / February Preview
96 Steve Ciarcia	HTML Priority Interrupt Happy Twentieth Anniversary

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