Circuit Cellar Ink 31
February 1993

Table of Contents

2 Ken Davidson	Editor's INK Increasing the Bandwidth
6	Reader's INK Letters to the Editor
8 Harv Weiner	New Product News
14 H. Brooke Stauffer	The Smart House System A Technical Overview There are a number of home automation technologies vying for market share. SMART HOUSE was developed as a proprietary system initially aimed at new construction. Find out just what makes SMART HOUSE tick.
24 Jeff Fisher	Switched-On CEBus: A CAL Interpreter The key to future home automation products will be a standard means of communication. CEBus shows promise of being that standard. Find out what the language of CEBus looks like and how it is used. Download: CAL.ZIP
32 Steve Ciarcia	Temperature Monitoring Add Some Temperature Sensors to the HCS II When Steve encounters something that just doesn't sound right, he jumps right in to verify it for himself. He recently had a new HVAC system installed and had to find out just how well it really works.
42 Ken Davidson	Putting the Wraps on CEBus We've finally come to the end of the process of putting the CEBus specification together. Now that engineers can begin designing real products, what is being done currently and what can we expect in the future?
48 Ed Nisley	Firmware Furnace Blindsided by Technology: The '386SX Embedded Firmware Project Having long ago pushed the little 8031 to its limits, Ed has set his sights on a new development platform for future projects. While some may think his choice is overkill, you'll soon agree with his reasoning. Download: FF31.ZIP
56 Jeff Bachiochi	From the Bench Simple Steps for Easy Positioning -- Controlling Stepper Motors What do you do when you need precise motor control without a feedback loop? Use a stepper motor. Basic stepper motor control doesn't have to be hard, especially given the caliber of controller chips available.
62 Tom Cantrell	Silicon Update Smart LEDs -- The Hard Way, the Soft Way, and the Right Way The ubiquitous LED can be found in countless display applications. New display modules and driver chips are making the job of adding a highly readable display to your next project even easier.
70 John Dybowski	Embedded Techniques Embedded Timepieces Since most embedded controllers deal with real-world events, a real-time clock is usually a necessity. There are lots of options available, with the hardware/software tradeoff usually deciding which one is used.
78 Russ Reiss	Patent Talk Let Me Explain As the information age continues, CD-ROM technology has made a wealth of data available to desktop computer users. Russ introduces us to several patent databases and sets the stage for his new column.
81	Advertiser's Index
84 Ken Davidson	ConnecTime -- Excerpts from the Circuit Cellar BBS
96 Steve Ciarcia	Steve's Own INK The Sample Game

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