Select the firmware file you would like to upload to your Teensy 4.0 or 4.1, press the reset button on the Teensy so the light turns red, select the device, and upload your firmware.

Latest Build is a work-in-progress - dealing with CORS issue. Please download the repository from here: ProtoTracer Build v1.14

Firmware Uploader

Latest Builds Local File Upload Select Device Upload Firmware

Open Serial Port Close Serial Port