Comments

Author Comment Last activity Moderation
JSummers "Hi Jeff, I was not aware of these technologies. Thanks for bringing them to my attention. Jack " | Read more » about 5 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 » about 5 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 » about 5 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 5 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 » over 5 years ago
JSummers "Hi Ivan, I will be happy to help you with this. Did you want to make a WheeStat or were you decided on using Arduino. The WheeStat was designed u..." | Read more » almost 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 » about 7 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 » about 7 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 » about 7 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 » over 7 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 » over 7 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 » over 7 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 » over 7 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 » over 7 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 » over 7 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 » over 7 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 8 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 8 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 8 years ago
JSummers "Hi Leroy, The Stellaris was replaced by the Tiva boards. The code is compatible with both boards. They can be purchased for $13 direct from Texas..." | Read more » over 8 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 8 years ago
JSummers "Hi Mathew, The wiki is the user's manual at http://publiclab.org/wiki/wheestat-user-s-manual. I thought there was a link to it on this page but I ..." | Read more » over 8 years ago
JSummers "I am pretty sure that it could be done. My only concern would be converting the microcontroller code from Energia code to Arduino. The two are ve..." | Read more » over 8 years ago
JSummers "Hi Don, I see no reason why graphite would not work for measuring conductivity. In fact, I think it would work better than most metals since it d..." | Read more » over 8 years ago