Handheld Scatterometer

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Sponsors K2 BioMicrosystems LLC.
Team Name Optobots
Duration Fall 2018 - Spring 2019
Faculty Adviser/Mentor
  • Feng Li
  • David Klemer / K2 BioMicroystems LLC.
Team Members
  • Jeremy Cram
  • Kodi Cumbo
  • Jeremiah Rodgers
  • Weihang Wang

Problem Definition[edit]

We aim to design a self-contained, portable instrument for measuring and quantifying the turbidity of a solution over time by measuring the light scattered from the solution.


Optical scatterometry (otherwise known as turbidimetry or nephelometry) is a common way to determine the concentration of a contaminant, such as bacteria or proteins, in a solution. The nephelometry method detects the concentration of the solution by analyzing the amount of light that is scattered 90° to a laser shined into the solution, while turbidimetry measures the concentration using detectors 180° from the laser. Nephelometry is better used for low concentrations, while turbidimetry is better suited for high concentrations. These techniques requires expensive machinery that is not always portable, or user friendly.




  • Handheld
  • Touch Screen
  • Wireless Charging Battery
  • Durable
  • Production model Less than $200


Medical Clinics

  • Point of Care: Negates need for central lab
  • Affodable/Portable: Use in small clinics or developing countries

Fish and Wildlife

  • On-site measurements: Stream/groundwater contaminant check
  • Ease of use: Minimal training required

Design Considerations[edit]

Project Learning[edit]

Final Design[edit]


Team Information[edit]

Picture Info Bio
Jeremy Cram:
  • major: Electrical Engineering
  • email: cram8654@vandals.uidaho.edu
Jeremy Cram is a student in Electrical Engineering hoping to pursue a career communication networks/systems in western America.
Kodi Cumbo:
  • major: Computer Science and Electrical Engineering
  • email: cumb0597@vandals.uidaho.edu
Kodi Cumbo is a Computer Science and Electrical Engineering student with an interest in embedded systems. He plans to pursue a related career in the Puget Sound area after graduation.
Jeremiah Rodgers:
  • major: Electrical Engineering
  • email: rodg6430@vandals.uidaho.edu
Jeremiah Rodgers is an Electrical Engineering student with an interest in acoustics and signal processing. He plans on working for NavSea in Keyport, WA after graduation.
Weihang Wang:
  • major: Electrical Engineering
  • email: wang4957@vandals.uidaho.edu
Weihang Wang is a student in Electrical Engineering with an interest in power system.He is hoping to pursue jobs in electrical company.

Additional Documentation[edit]

Project Planning

[Team Contract]
[Product Requirements]
[Project Schedule]

Meeting Minutes

[September 11, 2018]
[September 20, 2018]
[September 27, 2018]
[October 4, 2018]
[October 11, 2018]
[October 18, 2018]
[October 25, 2018]



Client Interview

[Interview September 27, 2018]