Issue
162 January 2004
Remote
Observation Station
Richard
Dreher earned a B.S. in Electrical Engineering from
the University of Wisconsin, Platteville. He worked
for 10 years as a motion control consultant for firms
in the U.S. and Europe. Currently, Richard devotes his
time to his 1-year-old son and to various embedded systems
projects. You may contact him at rich@dreher.net. For
more information on this project, visit www.dreher.net.
PROJECT
FILES
To
download the code, go to
ftp.circuitcellar.com/pub/Circuit_
Cellar/2004/162/.
SOURCES
DS1820
1-Wire temperature sensor
Dallas Semiconductor
www.maxim-ic.com
LT1766IGN
Chips
Linear Technology Corp.
www.linear.com
Gel
cell batteries
MK Battery
(800) 372-9253
www.mkbattery.com
CodeWarrior
HC08 V. 2.1
Metrowerks
(800) 377-5416
www.metrowerks.com
MC68HC908QY4CDW
Microcontroller
Motorola, Inc.
(847) 576-5000
www.motorola.com
MON08MULTILINK
Pod
P&E Microcomputer Systems, Inc.
(617) 353-9206
www.pemicro.com
Model
Z70A 433-MHz ATV
VideoLynx
(240) 602-1082
www.transmitvideo.com
Quagi
Antenna
Wayne Overbeck
commfaculty.fullerton.edu/woverbeck/n6nb.htm
RESOURCES
Dallas
Semiconductor, “Interfacing the DS18x20/DS1822 1-Wire
Temperature Sensor in a Microcontroller Environment,”
AN162.
D.
Forte and H. Nguyen, “Adding a Voice User Interface
to M68HC05 Applications,” AN1292, Motorola, 1996.
P.
Lajsner, “Developer’s Serial Bootloader for M68HC08,”
AN2295, rev. 3, Motorola, May 2003.
S.
Pope, “MC68HC908QY4 Internal Oscillator Usage Notes,”
AN2312, Motorola, 2002.
W.
Overbeck, “The Quagi Antenna Turns 30,” commfaculty.fullerton.
edu/woverbeck/quagi.htm, accessed October 2003.
G.
Whitacre, “Using MC68HC908 On-Chip FLASH Programming
Routines: ROM Resident Routines in the MC68HC908GR8,
MC68HC-908KX8, MC68HC908JL3, MC68HC-908JK3, and the
MC68HC908JB8,” AN1831, rev. 2, Motorola, 2001.
RESOURCES
Dallas
Semiconductor, “Interfacing the DS18x20/DS1822 1-Wire
Temperature Sensor in a Microcon-troller Environment,”
AN162.
D.
Forte and H. Nguyen, “Adding a Voice User Interface
to M68HC05 Applications,” AN1292, Motorola, 1996.
P.
Lajsner, “Developer’s Serial Bootloader for M68HC08,”
AN2295, rev. 3, Motorola, May 2003.
S.
Pope, “MC68HC908QY4 Internal Oscillator Usage Notes,”
AN2312, Motorola, 2002.
W.
Overbeck, “The Quagi Antenna Turns 30,” commfaculty.fullerton.
edu/woverbeck/quagi.htm, accessed October 2003.
G.
Whitacre, “Using MC68HC908 On-Chip FLASH Programming
Routines: ROM Resident Routines in the MC68HC908GR8,
MC68HC-908KX8, MC68HC908JL3, MC68HC-908JK3, and the
MC68HC908JB8,” AN1831, rev. 2, Motorola, 2001.