micro:bitを接続しても、認識しないときの対応
https://support.microbit.org/support/solutions/articles/19000089574-beta-testing-mbed-driver-doesn-t-work-with-windows
https://support.microbit.org/support/solutions/articles/19000024000-fault-finding-with-a-micro-bit
https://support.microbit.org/support/solutions/articles/19000089574-micro-bit-does-not-connect-in-windows