May 12, 1997 Magazine Archive

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ISSUE DATE: MAY 12, 1997

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Fibre channel, Displays, Compact code, BIST, DSP, 3D graphics

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Browse Archived Articles By: Issue | Author | Department | Topic

May 12, 1997 - In This Issue

[Ideas For Design]
Add an RS-232 output to any PIC microprocessor
Some PIC microprocessors have a built-in serial interface module while others do not. The latter group includes the 16C54, ’55, ’56, ’70, ’71, ’72, and others. Adding a serial output to these processors takes but a few lines of code (... — Contributing Author

[Ideas For Design]
Simple circuit shuts off system when supply voltage is low
Many low-cost and portable systems, including small consumer electronic products, operate from unregulated power supplies such as batteries or external, plug-in “power bricks.” These power sources sometimes produce lower-than-nominal output... — Contributing Author

[Ideas For Design]
Read 16 digital inputs using a PC's serial port
Illustrated is an interface circuit that allows a PC to read 16 channels of digital inputs (see the figure). The circuit is connected to the PC’s COM1 serial port directly. The same serial port also powers... — Contributing Author

[Ideas For Design]
Improved short-circuit detector
A previously submitted Idea For Design by Jim Wood (“ ‘Beeper’ Finds Short Circuits,” Oct. 24, 1996 “BEST OF ISSUE” SPECIAL SUPPLEMENT TO ELECTRONIC DESIGN, p. 18) impressed me because of the circuit’s simplicity to realize a useful... — Contributing Author

[Pease Porridge]
What's All This Web Stuff, Anyhow?
Once upon a time, the world was a simpler place. There was no Internet; there were no Web Pages. While I am in favor of simplicity, I will not argue that we should (necessarily) all go back to... — Bob Pease

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