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Computer Interfaces
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Computer Interface:
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Last Updated on:
Thursday, November 30, 2017 01:57 PM
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electronic circuits, electronic schematics, designs for engineers, hobbyists,
students & inventors:
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Add CAD functions to Microsoft Office - 21-Mar-02 Issue of
EDN Microsoft Word has excellent drawing capabilities. You
could use it effectively to perform some CAD tasks, such as
schematic entry. Word is by far the most popular text processor on
the market, and it would seem desirable.... [Design Idea by By
Alexander Bell, Infosoft International, Rego Park, NY] |
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Add current boost to a USB charger - 19-Sep-02 Issue of
EDN The popular USB interface can charge a portable device
while transferring data. But for high-capacity batteries, the 500-mA
output current of USB hosts and powered hubs greatly extends the
charging time. (Unpowered USB hubs supply nothan 100 mA.] Thus, a
system that accepts charging power.... [Design Idea by Len Sherman,
Maxim Integrated Products, Sunnyvale, CA] |
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Add Kelvin Sensing & Parallel Capability to 3-Terminal Regulators
(LB-51) - National Application Note (app not added 3/03)
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Add simple disable function to a panoramic potentiometer circuit
- 15-Feb-07 Issue of EDN Improved control circuit places
monaural image in a stereo field.... [Design Idea by Lawrence Mayes,
Malvern, United Kingdom; Edited by Brad Thompson and Fran Granville] |
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Add speech encoding/decoding to your design - 02/04/99 Issue of EDN
Adding speech capabilities to a design can sometimes lead to complex algorithms
and expensive DSPs or specialized audio chips. However, with completion of
a simplified adaptive differential pulse-code-modulation (ADPCM]algorithm, you
can now implement se audio capabilities in low-cost 8-bit µCs, which
typically….Page includes several designs. Scroll to find this
one....[Design Idea by Rodger Richey, Microchip Technology Inc, Chandler, AZ] |
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Add switch-and-LED I/O to DSP's serial port - 05/07/98 EDN-Design
Ideas When you debug an embedded DSP design, it's handy to have a bank of
switches and LEDs to simulate inputs or to display intermediate results. You can
attach 16 switches and 16 LEDs to the dataWhen you debug an embedded DSP design,
it's handy to have a bank of switches and LEDs to simulate inputs or to display
intermediate results. You can attach 16 switches and 16 LEDs to the data….file
contains multiple circuits scroll to find this one…. [Design Idea by Stan
Sasaki, Twenty-First Designs, Lake Oswego, OR] |
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Add voice command to virtual instrumentation - 30-May-02 Issue of EDN
Debates still persist in the engineering community about the relative merits of
analog and digital controls of instrumentation. Meanwhile, a revolutionary new
type of control—voice-command control—is gaining acceptance in many application
areas (Reference 1]. This Design Idea focuses on the practical
implementation of the Voice Commander voice-command interface in a
virtual-instrume.... [Design Idea by Alexander Bell, Infosoft International Inc,
Rego Park, NY] |
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Add voice commands to your CAD system - 2-May-02 Issue of EDN
The first time I activated the Language Bar (Speech Tools] in my Microsoft Word
2002 and started dictating this Design Idea, the on-screen title displayed "cat"
instead of "CAD." By using the "Add/Delete Words" feature, I've trained the
system to recognize the "CAD" acronym. This was my first experience with
the MOSR (Microsoft Office Speech Recognition] tool, which is part of the latest
Micros.... [Design Idea by By Alexander Bell, Infosoft International, Rego Park,
NY] |
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Adding Second Joystick to PC Joystick Interface - (schematic / circuit
(added (6/03) |
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Addressable I²C Bus Buffer Provides Capacitance Buffering Live Insertion &
Nested Addressing in 2-Wire Bus Systems - DN329 Design Notes
(Linear Technology) (app note added 1/06) |
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ADSP-BF533 EZ-Kit Lite & ADF70xx Interface - AN-771 Analog Devices
Application Note (app note added 6/06) |
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ADT7463 Configurations - AN-612 Analog Devices Application Note
(app note added 6/06) |
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Advanced Encryption Standard using the PIC16xxx - Microchip
Application Note Published 11-Jun-02 (app note added 2/06) |
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Advanced Topology USB Battery Charger Optimizes Power Utilization for Faster
Charging - Design Note 336: The LTC4055 seamlessly manages power flow
between an AC adapter, USB cable and Li-Ion battery, all while maintaining USB
power specification compliance….(app note added 06/06/06) |
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AIU: Analog Interface Unit - If you need to add simple data
acquisition capabilities to your PC, n look no furr than Analog Interface
Unit. The Analog Interface Unit (AIU) is a simple circuit that connects to a PC
parallel port, and allows you to sample and output 8-bit analog signals under
software control.... (added 6/06) |
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