X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=Notebook;h=2f6fe2e0412f2b5020d9eb93325ba30540584064;hb=81d4ff69f51dfcbbd2d784e9bbd17c2bfeff77c8;hp=eb6f56d58a68ace75c0389c92ea3517c7f292e8e;hpb=97cd57535cad98004b5bb4bae85e8fcda63fdbb3;p=hw%2Fquantimotor diff --git a/Notebook b/Notebook index eb6f56d..2f6fe2e 100644 --- a/Notebook +++ b/Notebook @@ -5,3 +5,20 @@ - add another 2-pin header to PA8 (MCO) so we can sample the master clock to calibrate the SOC oscillator, which means moving the RED RF strength LED to some other gpio line + +2019.10.31 +- The more I think about this project, the more I want to go back to a board + that just does one each load cell and pressure sensor. I just haven't ever + actually used anything else. + + Discussion with Joe Bowen made it clear that if I were to design such a + board so that it could take option cards, and/or had just a pile of basic + analog inputs and maybe switch outputs available, that doing other stuff + could be fun, and we'd "grow the system as we need to". Every time I tried + to pin him down on specs, all I got was vagueness. + +2020.01.18 +- Maybe the right answer is to move to the ADS131A02 which is the 2-channel + version of the acquisition chip, and costs less. That would support one + pressure sensor and one load cell. Then make it possible to add on other + acquisition boards somehow.