JSummers 31 research notes and 76 wiki edits

I am an associate professor of chemistry at Western Carolina University. I am interested in developing open source hardware and software for environmental monitoring and science education.



Joined about 5 years ago


Wheetrometer Spectrometer update: Part 2.

by JSummers 2 months ago | 0 | 160 | 2

This note is the second to look at updating the Wheetrometer spectrometer. The original Wheet...

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Updating the WheeTrometer: Code for running the CCD.

by JSummers 5 months ago | 10 | 377 | 5

This research note is about driving a photodiode array (also called a charge cap...

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Automating valves using a magnetic position sensor.

by JSummers over 2 years ago | 2 | 1,071 | 3

This is a part of our bigger program in laboratory automation. We published an earlier research...

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Pencil lead works well as an electrode material in lead analysis

by JSummers over 2 years ago | 0 | 1,966 | 7

This was a test to see if pencil lead can be used as an electrode material in electrochemical le...

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GUI code for connecting your computer to your microcontroller.

by JSummers almost 3 years ago | 0 | 1,888 | 2

This research note is one in a series that is intended to help people start writing code for gra...

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Improved top seal for homemade reference electrodes.

by JSummers almost 3 years ago | 0 | 2,105 | 2

In an earlier research note (found [here](http://publiclab.org/notes/JSummers/01-09-2014/potenti...

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New WheeStat Hardware

by JSummers about 3 years ago | 1 | 2,758 | 2

As outlined in an earlier research note ([here](http://publiclab.org/notes/JSummers/06-19-2015/b...

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Booster hardware improves the usable WheeStat voltage range.

by JSummers over 3 years ago | 0 | 1,875 | 0

The WheeStat hardware does not provide sufficient voltage to the Counter electrode (sometimes ca...

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Datalogging, Part 3: GUI software for handling files

by JSummers over 3 years ago | 0 | 2,062 | 2

This note documents some code that I wrote to improve the feel of working with the graphic user ...

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Valve automation for laboratory liquid handeling

by JSummers almost 4 years ago | 1 | 2,378 | 2

Eventually, I want to automate all kinds of lab processes. To do that you not only have to be a...

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Syringe pump mechanicals.

by JSummers almost 4 years ago | 2 | 4,761 | 4

This research note will eventually tell you how to build a pretty reliable and accurate syringe ...

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Titraumatic: An apparatus for automated pH titration.

by JSummers almost 4 years ago | 0 | 3,069 | 4

This research note documents our progress to interface a syringe pump with a pH meter. This ins...

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Toward calibrating H2S sensors.

by JSummers almost 4 years ago | 1 | 3,209 | 8

Up front, I want to make clear that we have not gotten down the road very far on this project, m...

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DIY cold brewed coffee maker

by JSummers almost 4 years ago | 6 | 3,926 | 5

I want to roll out of bed and have a cup of good coffee, and I mean now, dammit! OK, there ar...

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Datalogger part 2a; Generating a signal, amplifying it, and displaying the data.

by JSummers about 4 years ago | 6 | 2,338 | 2

I just finished writing a research note (found [here](http://publiclab.org/notes/JSummers/09-23-...

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Datalogger part 2b, simpler hardware, some observations about ion selective electrodes, and RAM.

by JSummers about 4 years ago | 0 | 2,243 | 2

This note follows up on an earlier note found [here](http://publiclab.org/notes/JSummers/04-09-2...

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SE Regional Meeting of the Amer. Chem. Soc.

by JSummers about 4 years ago | 2 | 1,284 | 1

I want to sell WheeStats to all the chemistry departments in the southeast. I will be presenti...

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Atlanta Maker Faire

by JSummers about 4 years ago | 1 | 1,223 | 1

I will be presenting material published on the Public Lab site to the good people of Atlanta. ...

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WheeStat kit assembly

by JSummers about 4 years ago | 15 | 5,124 | 3

This note describes the WheeStat kit and how to put it together. More information on the WheeSt...

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Getting your WheeStat set up.

by JSummers over 4 years ago | 12 | 6,707 | 7

This research note is intended to explain how to setup a WheeStat potentiostat. **Install Driv...

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DataLogger: Part 2, Hardware design

by JSummers over 4 years ago | 2 | 3,439 | 2

This research note was begun in April, 2014 to allow data logging using commercially available p...

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Quantifying Airborne Hydrogen Sulfide

by JSummers over 4 years ago | 5 | 4,001 | 6

Jack Summers, Alexandra Shuey and Taylor Royalty The goal of our project was to develop a low ...

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Potentiostat Notes 5: How to make low cost electrodes.

by JSummers almost 5 years ago | 10 | 18,756 | 2

This note reviews some basics about electrodes and discusses how you can make your own at low co...

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Potentiostat Notes 4: Fabrication made easy

by JSummers almost 5 years ago | 11 | 3,657 | 3

In my last Potentiostat note (found [here](http://publiclab.org/notes/JSummers/12-30-2013/potent...

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Open Hour on Water Quality, Monday July 21, 8pm

by donblair over 4 years ago | 2 | 1,432 | 0

Hey Folks! Tonight, July 21st, at 8 PM It's a Google Hangout -- so, everywhere! ...

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Quantitative analysis of wood moisture

MarcioPamplona asked about 7 months ago

Answers by JSummers

Hi I'd like to know more on this project

Droopas asked about 10 months ago

Answers by JSummers

What is my potential all over the place?

Greg_H asked about 10 months ago

Answers by JSummers

please tell me

Abdulhakeem0801 asked about 11 months ago

Answers by JSummers

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