dropControllerV3 Arduino Sketch
These are the Arduiono IDE files and you will need the Arduino IDE to upload to the controller.
dropControllerV3 Arduino Sketch dropControllerV3_2022_001.
See the Updating the Firmware page for details on how to upload a new firmware.
dropControllerV3 HEX File
If you are not familiar with the Arduino IDE or you simply do not want to install it you can use the HEX file to update the dropController. The HEX file is a pre-compiled firmware that is ready to upload.
dropControllerV3 2019_V3_005_003 HEX file.
The Download includes everything you need to upload the new firmware. The Arduino IDE is not required.
See the Updating the Firmware page for details on how to upload a new firmware.