Capture data stream to file on host computer?

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seidler
 
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Joined: Sat Nov 07, 2020 1:45 am

Capture data stream to file on host computer?

Post by seidler »

Howdy!

I've got a bunch of circuit playground express (bluetooth) for a Python software+hardware class. A question: what are some ways to get a data stream from the circuit playground to a file on the computer? I'd like to avoid having to wire in an SD card writer and jumping through all the datalogger hoops -- I did that in last year's course offering with MKRzero + circuitPython, and it was a kludge. We want to do various analysis of data with matplotlib, etc, in Jupyter, but we have to get the data into a file on the host computer first.

Yes, we see the REPL serial data stream in the mu editor, but there doesn't seem to be any way to capture that.

Suggestions?
Thanks!
Jerry

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