Welcome to the ERTH 440, Environmental Sensing, webpage for the Fall 2025 semester.

Boundary layer cumulus clouds off the coast of Waldport, Oregon, March 17, 2025. Photo by Shane Mayor.
This page will be updated every few days as the course progresses...
Required book: Meteorological Measurement and Instrumentation by Giles R. Harrison, (c)2015.
Link to on-line library version (requires csuchico.edu connection).
Link to Publisher.
Aug. 25, Mon., Lecture: Review syllabus, and start with basic vocabulary in instruments.
Aug. 26: Tues.: Lab #1: Using Arduinos to blink LEDs and sensing temperature from a TMP36.
Aug. 27, Weds., Lecture: Begin Chapter 2: parameter, sensor, transducer, amplifier, meter, recorder, analog, digital, binary, begin ADC.
Sept. 1, Mon.: Labor day. Campus closed.
Sept. 2, Tues.: Lab #2: Using a voltage divider and a thermistor to measure temperature.
Sept. 3, Weds.: Lecture: Analog to digital conversion, resolution, sensitivity, linearity, dynamic range, and response time.
Sept. 8, Mon.: Lecture: Systematic and random errors. Accuracy and precision. Then, Newton's law of cooling and response time.
Sept. 9, Tues.: Lab #3: Learning how to solder and soldering pins on data shield.
Sept. 10, Weds.: Lecture: Quiz #1. Then, conclude response time and begin temperature and thermometers (Chapter 5 in book).
Sept. 15, Mon.: Lecture:
Sept. 16, Tues.: Lab #4:
Sept. 17, Weds.: Lecture:
Sept. 22, Mon.: Lecture:
Sept. 23, Tues.: Lab #5:
Sept. 24, Weds.: Lecture:
Sept. 29, Mon.: Lecture:
Sept. 30, Tues.: Lab #6:
Oct. 1, Weds.: Lecture:
Oct. 6, Mon.: Lecture:
Oct. 7, Tues.: Lab #7:
Oct. 8, Weds.: Lecture:
Oct. 13, Mon.: Lecture:
Oct. 14, Tues.: Lab #8:
Oct. 15, Weds.: Lecture:
Oct. 20, Mon.: Lecture:
Oct. 21, Tues.: Lab #9:
Oct. 22, Weds.: Lecture:
Oct. 27, Mon.: Lecture:
Oct. 28, Tues.: Lab #10:
Oct. 29, Weds.: Lecture:
Nov. 3, Mon.: Lecture:
Nov. 4, Tues.: Lab #11:
Nov. 5, Weds.: Lecture:
Nov. 10, Mon.: Lecture:
Nov. 11, Tues.: Campus closed for Veterans Day
Nov. 12, Weds.: Lecture:
Nov. 17, Mon.: Lecture:
Nov. 18, Tues.: Lab #12:
Nov. 19, Weds.: Lecture:
Nov. 24, Mon.: Campus closed for Thanksgiving holiday
Nov. 25, Tues.: Campus closed for Thanksgiving holiday
Nov. 26, Weds.: Campus closed for Thanksgiving holiday
Dec. 1, Mon.: Lecture:
Dec. 2, Tues.: Lab #13:
Dec. 3, Weds.: Lecture:
Dec. 8, Mon.: Lecture:
Dec. 9, Tues.: Lab #14:
Dec. 10, Weds.: Lecture:
Dec. 15, Mon.: Lecture: Final exam week begins
Dr. Mayor's page