2. Restart your computer - the USB Device will then change from 1a6e:089a Global Unichip Corp. to 18d1:9302 Google Inc.
Alternatively you can run make reset on macOS / Linux (no restart required) or flash the firmware with dfu util eg ./dfu-util.exe -D firmware.bin or the online version. (restart required)
Flashing the firmware is transient - it needs to be done each time power is lost
These might be useful on macOS to get everything working:
brew install wget brew install lsusb brew install automake brew install pkg-config
Check out this Blog about the Coral USB Accelerator
If you want to host this yourself, you need to make sure these are enabled on your server:
Cross-Origin-Opener-Policy: same-origin Cross-Origin-Embedder-Policy: require-corp