tinygo/targets/circuitplay-bluefruit.json

{
    "inherits": ["nrf52840", "nrf52840-s140v6-uf2"],
    "build-tags": ["circuitplay_bluefruit"],
    "serial-port": ["acm:239a:8045", "acm:239a:45"],
    "msd-volume-name": "CPLAYBTBOOT"
}