Circuit Cellar Ink 41
December 1993

Table of Contents


Ken Davidson

Editor's INK

Our First Month of Email


Reader's INK

Letters to the Editor


Harv Weiner

New Product News


Maurizio Ferrari

Secrets of Using the DS1209 in an RF Transponder

The DS1209 is a general-purpose wireless-to-3-wire interface that can be used in many applications. Explore its use in an RF transponder, and find out some tricks the data sheets don't tell you about the part.


Scot Colburn

The Covert Chordic Keyboard

How long would it take you to type this? And how many fingers do you use to type? One finger or not, you don't have to be a musician to appreciate the benefits of a keyboard that fits in your palm.



J. Conrad Hubert

Accessing the DS5000T Timekeeper from C

Is time of the essence in your current project? Accessing the embedded clock/calendar in Dallas's DS5000T proves to be a challenging prospect, but well worth the effort.

Download: DS5000T.ZIP


Del Hatch

Designing with FPGAs

Part 2: An Example

Here's where the design rubber meets the FPGA road. First, a look at design structure and its compilation. On your mark, get set ... now we're in the driver's seat and ready to stuff a real project into an FPGA ... GO!

Download: FPGA.ZIP


Rob Rojas

Results of The 5th Annual Circuit Cellar Design Contest


Ed Nisley

Firmware Furnace

Beyond Small: Mainline C for the '386SX Project

If you've been waiting patiently to use your copy of Borland or Microsoft C with your embedded '386SX, your wait is over. Ed finally takes the plunge and brings on the big guns.

Download: FF41.ZIP


Jeff Bachiochi

From the Bench

Measuring Up an Electronic Caliper Interface

If you were anything like Jeff was as a child, you probably have your own stories of taking apart everything in sight. Jeff's a few years older now, but that hasn't stopped him. Tag along on his latest excursion.

Download: FTB41.ZIP


Tom Cantrell

Silicon Update

It's Showtime

Tom gives us a tour of Silicon Valley's hottest conferences and techie shows. Topics ranging from liquid cooling to PC designs to the broad acceptance of PCMCIA are the talk of the town.


John Dybowski

Embedded Techniques

Conversing with Batteries

Revising a topic only touched upon in a recent column, John pulls out the Benchmarq catalog again and checks out the bq2010 Gas Gauge chip. Off-loading the task onto a dedicated chip makes a lot of sense.


Russ Reiss

Patent Talk


Advertiser's Index


Ken Davidson

ConnecTime -- Excerpts from the Circuit Cellar BBS


Steve Ciarcia

Steve's Own INK

Embedded in Everything

FTP Directory for INK 41
Follow this link to order a copy of INK 41

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