Circuit Cellar Ink 39
October 1993

Table of Contents

2 Ken Davidson	Editor's INK The Year Ahead
6	Reader's INK Letters to the Editor
8 Harv Weiner	New Product News
14 David McFalls	Fire Control for Foundry Furnaces David unleashes the powers of Apollo to tame the raging maelstrom of Prometheus and creates a link between the bronze age and the age of silicon. Download: FIRECTRL.ZIP
26 Tom Dahlin	Stepping Up in Performance Driving High-power Stepper Motors Moving disk drive heads and mobile robots is easy with small stepper motors and their low power requirements. When you want to move mountains, though, you have to bring in the big guns. Here's how.
38 Derek Matsunaga	Data Logging Meters are No Fluke Design Contest Winner Digital multimeters have everything necessary for data logging applications except one thing: a computer interface. That didn't stop one intrepid designer, who found a little-known feature of certain Fluke meters. Download: FLUKE83.ZIP
46 Ed Nisley	Firmware Furnace IDs and LCDs: The '386SX Get Positive Identification and a Small Display Just when you thought you were safe from hardware keys and locks, Ed adds a clever little serial number chip to the Firmware Development Board. Also in the hopper is a small LCD display to impress your friends. Download: FF39.ZIP
58 Jeff Bachiochi	From the Bench Updating TIM for the HCS II: Add the Touchtone Interactive Monitor to your home control system You've waited and waited, and it's finally here. The HCS II Telephone Interface offers a registered DAA and complete DTMF transmitter/receiver. There's even an optional text-to-speech interface available for it.
66 Tom Cantrell	Silicon Update Swiss Army Chip Although this family of all-in-one chips from WaferScale Integration doesn't have a cork screw or scissors, it will still get you out of some tight spots when board space is at a premium and you need maximum functionality.
72 John Dybowski	Embedded Techniques Small Memories Have you ever needed a few hundred bytes of RAM, but didn't have the board space or budget for another full-size chip? Check out some offerings from Dallas Semiconductor and Signetics that could make your life easier. Download: ET39.ZIP
81	Advertiser's Index
82 Russ Reiss	Patent Talk
86 Ken Davidson	ConnecTime -- Excerpts from the Circuit Cellar BBS
96 Steve Ciarcia	Steve's Own INK The Race for Power

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