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Uninstall CircuitPython

If you no longer want to use CircuitPython, you can reset your senseBox MCU-S2 back to Arduino. In this tutorial, we will show you how to remove CircuitPython from your senseBox MCU-S2.

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Uninstall CircuitPython with a button press​

If you want to uninstall CircuitPython from your senseBox MCU-S2 with a button press to use Blockly or Arduino again, follow these steps:

  1. Connect your senseBox MCU-S2 to your computer via a USB cable.
  2. Enter bootloader mode by briefly pressing the reset button and then immediately pressing the boot button. The RGB LED should now light up green.
  3. Download the flash-arduino.uf2 file.
  4. Copy the flash-arduino.uf2 file to the senseBox drive.
  5. The senseBox MCU-S2 will now restart and you can use Blockly or Arduino as usual.

Uninstall CircuitPython via Web Tool​

If you want to uninstall CircuitPython from your senseBox MCU-S2 using the web tool to use Blockly or Arduino again, follow these steps:

  1. Visit the Flash senseBox website.
  2. In the Upload tab, click Select Sketch and choose UF2-Bootloader.
  3. Connect your senseBox MCU-S2 to your computer via a USB cable.
  4. Enable dev mode by holding down the BootSwitch button on the senseBox MCU-S2 and then pressing the reset button once. Then release the BootSwitch button.
  5. Click the Search board button. A window will open showing the connected devices. Your device should have ESP32-S2 in the name. Select it and click Connect.
  6. Click Upload Sketch! to flash the bootloader. The process may take a few minutes.
  7. Press the reset button on the senseBox MCU-S2 to start the bootloader.
  8. The senseBox MCU-S2 will now restart and you can use Blockly or Arduino as usual.