Date of Degree
2011
Document Type
thesis
Degree Name
MS (Master of Science)
Department
Electrical and Computer Engineering
First Advisor
Anton Kruger
Abstract
A two-wire, low component count soil temperature sensor was developed. The sensor uses one wire for ground and the other wire is used for both power and communication. Pulse width modulation is used to send temperature measurements to the master, where the duty cycle is proportional to the temperature. The sensor parasitically powers itself from the bidirectional data line. In order to reduce the number of components necessary, a microcontroller with an internal temperature sensor is used. Finally, the sensor can receive data from the master on the bidirectional communication line, which is used for calibrating the sensor.
Pages
xi, 74
Bibliography
73-74
Copyright
Copyright 2011 Nicholas James Sitter
Recommended Citation
Sitter, Nicholas James. "Two-wire, low component count soil temperature sensor." master's thesis, University of Iowa, 2011.
http://ir.uiowa.edu/etd/1081.