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 almost 5 years ago


Wheetrometer Spectrometer update: Part 2.

by JSummers 2 days ago | 0 | 76 | 1

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

Read more


Updating the WheeTrometer: Code for running the CCD.

by JSummers 3 months ago | 10 | 321 | 5

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

Read more


Automating valves using a magnetic position sensor.

by JSummers over 2 years ago | 2 | 1,061 | 3

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

Read more


Pencil lead works well as an electrode material in lead analysis

by JSummers over 2 years ago | 0 | 1,945 | 7

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

Read more



GUI code for connecting your computer to your microcontroller.

by JSummers over 2 years ago | 0 | 1,865 | 2

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

Read more


Improved top seal for homemade reference electrodes.

by JSummers almost 3 years ago | 0 | 2,093 | 2

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

Read more


New WheeStat Hardware

by JSummers about 3 years ago | 1 | 2,747 | 2

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

Read more


Booster hardware improves the usable WheeStat voltage range.

by JSummers about 3 years ago | 0 | 1,867 | 0

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

Read more



Datalogging, Part 3: GUI software for handling files

by JSummers about 3 years ago | 0 | 2,053 | 2

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

Read more


Valve automation for laboratory liquid handeling

by JSummers over 3 years ago | 1 | 2,371 | 2

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

Read more


Syringe pump mechanicals.

by JSummers over 3 years ago | 2 | 4,714 | 4

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

Read more


Titraumatic: An apparatus for automated pH titration.

by JSummers over 3 years ago | 0 | 3,047 | 4

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

Read more



Toward calibrating H2S sensors.

by JSummers over 3 years ago | 1 | 3,202 | 8

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

Read more


DIY cold brewed coffee maker

by JSummers almost 4 years ago | 6 | 3,911 | 5

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

Read more


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

by JSummers almost 4 years ago | 6 | 2,323 | 1

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

Read more


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

by JSummers almost 4 years ago | 0 | 2,235 | 2

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

Read more



SE Regional Meeting of the Amer. Chem. Soc.

by JSummers almost 4 years ago | 2 | 1,278 | 1

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

Read more


Atlanta Maker Faire

by JSummers almost 4 years ago | 1 | 1,216 | 1

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

Read more


WheeStat kit assembly

by JSummers about 4 years ago | 15 | 5,089 | 3

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

Read more


Getting your WheeStat set up.

by JSummers about 4 years ago | 12 | 6,568 | 7

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

Read more



DataLogger: Part 2, Hardware design

by JSummers over 4 years ago | 2 | 3,422 | 2

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

Read more


Quantifying Airborne Hydrogen Sulfide

by JSummers over 4 years ago | 5 | 3,984 | 6

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

Read more


Potentiostat Notes 5: How to make low cost electrodes.

by JSummers over 4 years ago | 10 | 18,504 | 2

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

Read more


Potentiostat Notes 4: Fabrication made easy

by JSummers over 4 years ago | 11 | 3,650 | 3

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

Read more



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

by donblair about 4 years ago | 2 | 1,423 | 0

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

Read more


Quantitative analysis of wood moisture

MarcioPamplona asked about 5 months ago

Answers by JSummers

Hi I'd like to know more on this project

Droopas asked about 8 months ago

Answers by JSummers

What is my potential all over the place?

Greg_H asked about 8 months ago

Answers by JSummers

please tell me

Abdulhakeem0801 asked about 9 months ago

Answers by JSummers

View these maps at MapKnitter.org »

Title Creation date Image





Tags

Tags help organize our knowledge base. Click to find more on a topic.



RSS feed for JSummers