Issue
152 March 2003
Using
Rotary Encoders as Input Devices
SOURCES
AND PDF
Download
the PDF of this article.
Brian
Millier is an instrumentation engineer in the Chemistry
Depart-ment at Dalhousie University in Halifax, Canada.
He also runs Computer Interface Consultants. You may
reach him at brian.millier@dal.ca.
PROJECT
FILES
To
download the code, go to ftp.circuitcellar.com/pub/Circuit_Cellar/2003/152/.
RESOURCE
E.
Nana, "Improving System Interrupt Management using
the PCF8574 and PCF8574A I/O Expan-ders for the I2C
Bus," Texas Instruments, SCPA032, August 2001.
SOURCES
AVR
Family
Atmel Corp.
(714) 282-8080
www.atmel.com
ECW1J-B24-BC0024
Rotary encoders
Bourns, Inc.
(877) 426-8767
www.bourns.com
25LB10-Q
Encoder
Grayhill, Inc.
(708) 354-1040
www.grayhill.com
BASCOM-AVR
MCS Electronics (Holland)
+31 75 6148799
www.mcselec.com
PCF8574
Remote expander
Texas Instruments, Inc.
(800) 336-5236
www.ti.com
