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Issue #213 April 2008
Digital Touch
A Potentiometer with No Moving Parts
by Jeff Bachiochi
Start | Touch Slider IC | Digital Potentiometers | Control and Feedback | Value to Digits | Linear Segmentation | Worth It | Sources & PDF
SOURCES & PDF
Jeff Bachiochi (pronounced BAH-key-AH-key) has been writing for Circuit Cellar since 1988. His background includes product design and manufacturing. He may be reached through the magazine (jeff.bachiochi@circuitcellar.com) or his web site (www.imaginethatnow.com).
SOURCES
LTC-4727 LED
LITE-ON Electronics, Inc.
www.us.liteon.com
MCP41010 Digital potentiometer and PIC16F883 microcontroller
Microchip Technology, Inc.
www.microchip.com
QT411-ISSG QSlide Touch slider IC
Quantum Research Group
www.qprox.com
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