Circuit Cellar Ink 170
September 2004

Table of Contents

4 Jennifer Huber	HTML Task Manager One for the Library
8 John Gorsky	New Product News ARMStick 10X series of LPC210x ARM-based SIMMstick boards from Aeolus Development BitScope Pocket Analyzer and generator from BitScope Designs LTC2439-1 8-channel 16-bit delta-sigma ADC from Linear Technology Corp. ADIsimADC ADC performance simulation software from Analog Devices, Inc. ADS5500 family of high-speed ADCs from Texas Instruments, Inc. Micro64 embedded microcontroller module from Micromint, Inc. BeeProg universal device programmer from Elnec, Ltd.
14 David Tweed	HTML Test Your EQ
18 Aaron Dahlen	The Engineer's Alarm Clock Design a PIC-Based Lamp Controller Aaron always wakes up to a rising sun, regardless of the weather outside. How's that possible? He designed a PIC18F252-based alarm system that gradually brightens a 120-VAC bulb over a half-hour period. Download: Dahlen170.zip
32 Armando Rosas Morato Sergio Elizarraras Rodriguez	An SPWM Calculator Using the Switched Integration Technique Sine pulse-width modulation (SPWM) is a technique frequently used in variable frequency drives for speed control in AC motors. Armando and Sergio present the QUSPWM algorithm as a simpler variation of SPWM based on a switched integration operation. Download: Morato_Rodriguez170.zip
Applied PCs 40 Fred Eady	HTML Uncomplicated Wireless Networking Wireless networking is easy, as long as you have the right tools for the job. This month, Fred shows you how to "get on the air" with Z-World's Wi-Fi application kit, which includes a Linksys Wi-Fi card and RCM3100 module. Go wireless in no time.
46 Brian Millier	HTML Multilab Build a Z8 Encore!-Based Multipurpose Test Instrument Brian's Multilab is comprised of an arbitrary function generator, a digital pulse generator, and more. Read on to learn how he built this multipurpose test instrument. Download: Millier_170.zip
From the Bench 54 Jeff Bachiochi	Create a USB Hybrid Hub This month, Jeff shows you how to build your own four-port USB hub with a TPS2071 power controller, a TUSB2046 data controller, and a few other simple parts.
62 Praveen P. Deshpande Prajakta Deshpande	Microcontroller-Driven Sound Effects Adding tunes and tones to embedded applications just got easier. Praveen and Prajakta show you how to generate melodies with an MCS-51 microcontroller. Download: Deshpande_170.zip
72 Stefan Kalbermatter	DMX-512 Control Build a USB-to-DMX-512 Converter Stefan recently found himself in need of a controller for a lighting system. In this article, he describes how he used an FTDI FT232BM USB-to-serial converter chip to achieve DMX-512 control. Download: kalbermatter_170.zip
Silicon Update 78 Tom Cantrell	A Simple Plan Is the MAXQ a RISC, CISC, or something in-between? According to Tom, it doesn't matter. What is important is that the MAXQ is becoming increasingly competitive in the MCU market.
94	Advertiser's Index / October Preview
96 Steve Ciarcia	HTML Priority Interrupt The Most Success Yet

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