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Updating Device Firmware

We strongly recommend you to upgrade your firmware to the latest version as we are constantly making improvements and adding new features to the devices.

Here are the download links to the update tool. Please download the appropriate one for your OS and follow the instructions on the screen.

Previous versions of firmware are available for download here.

Jump to common issues

Updating Device Firmware

The basic firmware upgrade procedure can be found below, please follow these steps carefully:

After you’re done with upgrading, you can use the Pymakr Plugins to upload and run programs in your device.

  1. Before connecting your module to a Pysense / Pytrack board, you should check for updates of the firmware on the Pysense/Pytrack board. Instructions on how to do this can be found here.

  2. Disconnect your device from your computer

  3. Insert the module into Expansion Board

    • On Expansionboard 2.0, connect a jumper cable or wire between G23 and GND
  4. Reconnect the board via USB to your computer

  5. Run the Firmware Upgrade tool and click through the menus

    Checking ‘Include Development Releases’ will check for the development releases of the Firmware Updater Tool

    Checking ‘Show Advanced Settings’ will give you the option screen in the next figure.

    In some cases, erasing the NVS and CONFIG partitions can solve issues relating to WiFi, Timers or other variables stored in the NVS / CONFIG. Erase during update will remove all Python code on the device.

  6. The firmware version of your device is now upgraded to the latest version.

    • On Expansionboard 2.0, remove the jumper cable.

After you’re done with upgrading, you can use the Pymakr Plugins to upload and run programs in your device.

Common issues:

  • If you are having any issues uploading firmware to your device, make sure the TX and RX jumpers are present on your Expansion Board, as the jumpers sometimes come loose in the box during transport. Without these jumpers, the updater will fail.
  • On MacOS, the firmware upgrade tool needs access to the /tmp folder
  • On MacOS, there is an issue with signing of the firmware tool. Go to system preferences –> Security & Privacy –> General, and click “Allow” for the Pycom Firmware Updater tool.


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