| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "Hi, just wondering - were the controls completely sealed, or did you also put controls in areas where there was air, but not air with H2S? Just thi..." | Read more » | over 7 years ago | |||
| warren | "Just in case the Slideshare disappears, i'm uploading the PDF here: deaverfinal-140617232405-phpapp01.pdf " | Read more » | over 7 years ago | |||
| ghing | "I ordered a WheeStat from the Public Lab Store. The board is stamped "WheeStat 5". I'm running Ubuntu 16.10 (64-bit) and just wanted to share the..." | Read more » | over 7 years ago | |||
| Laszlo | "Dear Dr. Summers, I ordered WheeStat 5.1 potentiostat from OSH Park and built a potentiostat system as described here. Everything seems fine excep..." | Read more » | over 8 years ago | |||
| warren | "Hi, Sophie - did you get to do your follow-up tests? I'm curious what's happened since you published this! Thanks! " | Read more » | almost 9 years ago | |||
| natalie | "This is the link to the Public Lab product page for the WheeStat if folks would like to purchase one. http://store.publiclab.org/collections/new-k..." | Read more » | over 9 years ago | |||
| JSummers | "Hi Gretchen, We are making no attempt to degas the sulfuric acid solution. First, we used relatively dilute acid which we assume will behave more ..." | Read more » | almost 10 years ago | |||
| gretchengehrke | "Hi Jack, Two quick thoughts: (1) Have you degassed your sulfuric acid too? For whatever reason, in my experience, H2SO4 takes longer to degas than..." | Read more » | almost 10 years ago | |||
| sara | "Hi Sophie it just occurred to me that the Hydrogen Sulfide may have reacted with the metallic surface of the bag? Did you consider that? What were ..." | Read more » | almost 10 years ago | |||
| warren | "Very cool! I want to be sure @sophie, @ewilder, @Clarke_Brian, @deepwinter, @megan, and @fernandolunav see this and you all can coordinate on diffe..." | Read more » | about 10 years ago | |||
| JSummers | "Hi Sean, Sorry about the delay in getting back to you. I was out of town. I sent Daniel an email asking him for more info and I will look into thi..." | Read more » | about 10 years ago | |||
| sg297 | "Hi Jack, I am also trying to connect a Raspberry Pi to the Wheestat with the TM4C123G launchpad. Could you (or Daniel) add an extra bit to the Lin..." | Read more » | about 10 years ago | |||
| JSummers | "Hi Mathew, My guess it that this is going to be a processing issue. My next guess is that there is a problem on line 13 of the Dropdown_Lists tab..." | Read more » | about 10 years ago | |||
| JSummers | "Ok. Can you see the port from Energia? That will tell us whether it is a mac / energia issue or a mac / processing issue. Jack " | Read more » | about 10 years ago | |||
| mathew | "Jack, I'm not able to get the Wheestat's port to recogize on a mac-- Processing won't recognize the USB Port-- I can only select bluetooth. " | Read more » | about 10 years ago | |||
| JSummers | "I responded to Kloots' comment (above) by email, but by the time he got it he had already diagnosed and fixed the problem. As I understand it, the..." | Read more » | over 10 years ago | |||
| kloots | "Dear Dr. Summers, I still get the same error after doing everything I could: WheeStat5_4b.ino: In function 'void setup()': WheeStat5_4b:122: erro..." | Read more » | over 10 years ago | |||
| sophie | "Thanks for all the positive feedback! I'm not sure where the bags originally came from, but they cost about $35 for five here: http://beprepared.co..." | Read more » | over 10 years ago | |||
| megan | "Nice! I love the water bag tests, it is really brilliant. What is the cost of the bags? If doing a large scale deployment, it seems like it would b..." | Read more » | over 10 years ago | |||
| warren | "Wow, this looks great; I really appreciate the emphasis on ease of construction and your careful water bag tests! @megan, @deepwinter, and others w..." | Read more » | over 10 years ago | |||
| JSummers | "Hi Don, Glad to hear that you liked the explanation. I hope to get around to measuring some metals in water before long and once I do, I will publi..." | Read more » | over 10 years ago | |||
| donblair | "Jack, this is fantastic. Very clear explanation! Could we have a follow-up note at some point soon re: e.g. how you might use the WheeStat potent..." | Read more » | over 10 years ago | |||
| eustatic | "hey, is hte link still functional? " | Read more » | over 10 years ago | |||
| warren | "Link to the Horwell paper: http://www.sciencedirect.com/science/article/pii/S037702730400304X " | Read more » | over 10 years ago |