Search found 5 matches

by rcarmi
Sat Mar 09, 2019 9:53 pm
Forum: MicroPython pyboard
Topic: logging data on SD at constant frequency
Replies: 13
Views: 1230

Re: logging data on SD at constant frequency

Thanks for the codes. I looked it up and it is way nicer in the code but the performance is not better (still these gaps as you said). Writing in binaries is an improvement though. Maybe as you mentioned [2 pyboards] is the solution: have on processor reading and the other one writing. I will have t...
by rcarmi
Sat Mar 09, 2019 5:51 pm
Forum: MicroPython pyboard
Topic: logging data on SD at constant frequency
Replies: 13
Views: 1230

Re: logging data on SD at constant frequency

Thank you all! It looks great.
by rcarmi
Fri Mar 08, 2019 2:38 pm
Forum: MicroPython pyboard
Topic: logging data on SD at constant frequency
Replies: 13
Views: 1230

Re: logging data on SD at constant frequency

Hello all,

Thanks Rhubarbdog for your comment. Please share the code with us. I think many people could find interest in this option and it will greatly help me in my projects.

Best

RĂ©mi
by rcarmi
Mon Mar 04, 2019 4:30 pm
Forum: MicroPython pyboard
Topic: logging data on SD at constant frequency
Replies: 13
Views: 1230

Re: logging data on SD at constant frequency

Hello again, Here is where I stand now. If someone find the solution to my previous post I am still highly interested but as it does not work write now, here is another solution. I use the pyboard as an acquisition card so I want to maximise the amount of data I can feed into it. From the test I hav...
by rcarmi
Mon Mar 04, 2019 11:10 am
Forum: MicroPython pyboard
Topic: logging data on SD at constant frequency
Replies: 13
Views: 1230

logging data on SD at constant frequency

Hello, I am kind of new to pyboard and thus maybe the answer is available somewhere but I haven't found it. Here is my problem : I am using the pyboard to sample voltage from a sensor. I need the acquisition to be at high frequency and rather constant. The issue is that as soon as I start writing to...