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TMP114EVM: Are there limitations on the size of the "mydata.csv" file generated by the web version of the TMP114EVM GUI?

Part Number: TMP114EVM
Other Parts Discussed in Thread: TMP114,

I am trying to evaluate the TMP114, so I need to log the TMP114 data for comaprison against another temperature sensor. I have connected the web GUI, and it displays the temperature values, and i can also start logging that data to a file (mydata.csv) - but if I leave the test runnin for more than a few minutes, when I return, the file shows "canceled" and I have lost all the data.

  • is there a size or time limit on how much data can be saved to the .csv file?
  • Is the web GUI interrupted if my screen turns off after some period of inactivity?
  • Is the Windows GUI a better option?

Thank you,


  • Hi Dwight,

    Thank you for posting to the Sensing forum.

    There is not a specific file size or time limit that would cause the .csv file to be canceled this way. The file stream connection may drop due to a hardware or other reported problem, or if the system goes to sleep during logging.

    Best regards,


  • Thank you . I installed the Windows version of the TMP114EVM GUI, and it seems to keep on logging to a .csv for long periods with no problems, even if my screen turns off, so I am "good to go" now!