Use the steps here to update the firmware of your CharaChorder Lite.

Note, if you received your Lite after October 1st, 2022 you need to use a special firmware version to fix the “NaN” bug. You can find this version down below in the table.

How to check your firmware version

Option 1: In Chord Manager

  1. Go to Chord Manager (https://launchpad.charachorder.com/#/manager)

  2. Connect your CharaChorder to your device

  3. Click “Connect”

  4. Your firmware version will display near the top of your screen:

    firmware version.jpg

Option 2: Use the GTM

  1. Wherever text can be typed, chord both pinkies up to access the GTM (Generative Text Menu)

  2. Press >S< for Settings

  3. Press >V< for Version

  4. Your version should display in the text box

    version.jpg

How to update firmware

  1. Download the most recent .UF2 file from Discord or from the bottom of this page for the appropriate CharaChorder Lite device (pay special attention to order date). Make sure the file is called CURRENT.UF2 exactly.
  2. Go to Chord Manager (https://launchpad.charachorder.com/#/manager)
  3. Connect your CharaChorder to your device