Circuit Cellar Ink 51
October 1994

Table of Contents

2 Ken Davidson	Editor's INK Breaking Old Habits
6	Reader's INK Letters to the Editor
8 Harv Weiner	New Product News
14 Scott Edwards	The Juggler's Delight: PIC-based Controller for up to Eight Servos The engineer who looks beyond his or her own discipline for solutions to problems is far more successful than one who wears blinders. Here, motors designed for the R/C field find a more general-purpose use. Download: SERVOPIC.ZPI
22 Bill Payne	Analyst 2 Data Line Monitor You make your serial connections, run the appropriate software on both ends, and nothing happens. What do you do next? If you have an Analyst 2 data line monitor, you'll have your connection buzzing in no time. Download: AN2.ZIP
36 Art Sobel	A RISC Designer's New Right ARM Designing with the ARM Processor Before you discount something as powerful as a 32-bit processor in your next embedded design, take the time to check out the ARM series of RISC processors. They make more sense than you might think.
48 Wayne Thompson	Feeling Out a Braille Digital Clock The Braille digital clock offers persons who are blind or visually impaired an alternative to talking clocks and obsolete motor-driven wheel clocks with tactile markings. Download: BRAILLE.ZIP
56 Ed Nisley	Firmware Furnace Journey to the Protected Land: Booting into Protected Mode Now that Ed's covered the basic of protected-mode operation, it's time to revisit the disk boot process. With this month's code, you'll be able to insert a floppy into your embedded '386SX and end up in protected mode. Download: FF51.ZIP
64 Jeff Bachiochi	From the Bench Celebrate National Cannibalism Week: Take Your Old Floppy Drives to Lunch Most people have had to replace a floppy disk drive at one time or another, but couldn't bring themselves to toss the old one. Jeff dives into some old drives to see just what he can find.
70 Tom Cantrell	Silicon Update Flash of Inspiration The latest craze in nonvolatile storage is flash memory, but adding it to a system using PCMCIA cards has its shortcomings. Tom checks out a unique solution that requires virtually no extra hardware or software.
76 John Dybowski	Embedded Techniques ec.32 Wrap Up John finishes his series on the DS80C320-based ec.32 board by covering the analog I/O, digital I/O, and power supply sections. Once complete, the ec.32 makes an ideal high-speed, lower-power embedded controller. Download: SIM320.ZIP
81	Advertiser's Index
84 Ken Davidson	ConnecTime -- Excerpts from the Circuit Cellar BBS
96 Steve Ciarcia	Steve's Own INK Of Patentable Value?

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