CPX and datalogger extension and battery power

I’ve been using my CPX devices to collect sensor data while they are connected to the computer. I found that there’s a datalogger extension for makecode that can be used to easily collect and download data to a spreadsheet. Is there a way to use this extension, or another to collect data while the CPX is battery powered? I can’t seem to collect data without the computer providing power. Thanks!

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I am having the same issue. It may be collecting data on battery power, but when I connect the CPX to the computer it goes into boot mode and the data is unreadable.

Is anyone able to confirm this functionality, despite the limitation, is still working?

I cannot seem to be able to make it work on my Circuit Playground Express

Which drive name do you see when you connect the CPX with your computer?

  1. CPLAYBOOT
  2. CIRCUITPY
  3. MAKECODE

Use Adafruit Logger for logging into micro SD