Flash
Loading the firmware manifest…
Flashed. Unplug the dongle and plug it back in — it comes back as a HID device with no serial port, which is how you know the firmware is running. The driver station should reconnect to it.
This browser can't open serial ports. Open this page in Chrome or Edge, over HTTPS or on localhost.
The dongle's firmware is USB-HID only — it has no serial console — so while it runs normally there is no port for this page to open. Holding BOOT while you tap RESET starts the chip's ROM bootloader instead, which does present a port. This is the same step the command-line flasher needs.
cu.usbmodem…; on Windows it is a
COM port.
Loading the firmware manifest…
Flashed. Unplug the dongle and plug it back in — it comes back as a HID device with no serial port, which is how you know the firmware is running. The driver station should reconnect to it.