| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| JSummers | "Hi @giannispimenidis, Sorry to hear that you are having difficulties. The voltammagram does look odd. To start off, try putting a resistor (10K t..." | Read more » | almost 4 years ago | |||
| JSummers | " @oskarbob, the drivers must be downloaded from texas instruments. You can get them from http://www.ti.com/tool/STELLARIS_ICDI_DRIVERS. Instructi..." | Read more » | about 5 years ago | |||
| JSummers | "Hi @Greg_H, If the altSPI files are not on your usb memory you can download them here: https://github.com/SmokyMountainScientific/altSPI There sho..." | Read more » | over 6 years ago | |||
| JSummers | "Hi @Greg_H, I am sorry that you are still having trouble with your WheeStat. While it is possible that it is a software problem, it seems more like..." | Read more » | over 6 years ago | |||
| JSummers | "Hi @Greg_H, sorry you are having trouble. The microcontroller should be powered up, and it must be if you are getting any kind of readout at all. ..." | Read more » | over 6 years ago | |||
| JSummers | "Hi, I just checked the software with Windows 10 and it seems to work fine. When I click the "save_run" button it opens a dialog box that allows yo..." | Read more » | over 6 years ago | |||
| JSummers | "Hi, For the hardware you made, use the firmware here:https://github.com/SmokyMountainScientific/D_SeriesWheeStatFirmware/tree/master/WheeStat6_d. ..." | Read more » | over 6 years ago | |||
| JSummers | "Hi @momosavar, The WheeStat will run with about any rail-to-rail quad op amp that works with a 3.3 volt supply and comes in the 14-SOIC package. ..." | Read more » | over 6 years ago | |||
| JSummers | "Hi @momosavar, it uses the ek-tm4c123gxl. The voltage range of the model 5 potentiostat is limited to +/- 1.65 volts. The newer model 7 will go t..." | Read more » | over 6 years ago | |||
| JSummers | "Hi Aneesahmad, In the US, you can order one from my website, smokymtsci.com. Outside the US, you can contact me at my email summers at wcu dot edu..." | Read more » | about 7 years ago | |||
| JSummers | "That seems reasonable. I don't know whether the gel-ceramic junction will be an issue or not. My guess is that it will not be a problem. If it i..." | Read more » | over 8 years ago | |||
| JSummers | "I never have tried this but I know that it is widely used. Do you have experience with this? Is the gelled electrolyte something that you make or..." | Read more » | over 8 years ago | |||
| JSummers | "Hi @warren, I had never did put the board files online before (Sorry). I just made them available at https://github.com/SmokyMountainScientific/Wh..." | Read more » | over 8 years ago | |||
| JSummers | "@bjl1629 Hi, I made a mistake in the above comment, referring to the Energia code as being a pde file. It is actually an ino file. The GUI progr..." | Read more » | almost 9 years ago | |||
| JSummers | "@bjl1629 Hi, This comment addresses the question of sampling frequency and I will discuss the cycling issue in the next comment. The WheeStat is s..." | Read more » | almost 9 years ago | |||
| JSummers | "@bjl1629 Hi, The 5.1 board files are the most recent hardware designs released to the wild. This summer I have been working on new hardware (and s..." | Read more » | almost 9 years ago | |||
| JSummers | "@bjl1629 Hi, I have never done any EIS and have not gotten into its theoretical or practical aspects. That said, where would we all be if we let ..." | Read more » | almost 9 years ago | |||
| JSummers | "Hi IgorS, Sorry about the slow response. Things get really busy for me this time of year. The maximum and minimum currents that you will be able ..." | Read more » | about 9 years ago | |||
| JSummers | "Hi Igor, the kit can be purchased from the public lab store, here: http://store.publiclab.org/collections/new-kits/products/wheestat-potentiostat. ..." | Read more » | about 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 » | about 9 years ago | |||
| JSummers | "Hi Kloots, I think you are working with a really old the sketch. At one point the code assumed that the trans2ByteA and trans2ByteB were added to ..." | Read more » | about 9 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 » | over 9 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 » | over 9 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 » | over 9 years ago |