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===== Setting up the Dracal USB Barometer =====

Manual: [[https://www.dracal.com/wp-content/uploads/2024/02/Dracal_BAR20_User_Manual.pdf|Dracal USB Barometer Manual]]

=== Parts ===

The Dracal USB Barometer has only one component: the USB stick itself.

{{:atmos:citation:instruments:setup_dracal_usb_barometer:screenshot_2026-02-19_185553.jpg?200|}}

=== Setting up the Probe ===

By now, you should have your Raspberry Pi computer completely set up, with a DAQ HAT. To continue, you will need:
  * the USB barometer

  - Go to [[https://www.dracal.com/en/linux-setup-guide/|Dracal Linux Setup]] and follow the setup instructions. Make sure you place all the files it requires you to download into the same directory that your coding script for your instrument is.
    - For example:
    - {{:atmos:citation:instruments:setup_dracal_usb_barometer:screenshot_2026-02-19_190811.png?200|}}
  - Plug the USB stick into an open port on your Raspberry Pi computer.
  - Note that if you are using python, you should change the directory name from "DracalView_3.4.5" to "DracalView_3_4_5" to allow python to function.
  - If you have properly set up the ADPAA and DAQ HAT, you can now run the python program that coincides with your instrument and observe the data.