I've put together a dead-simple test app, to try to get connect/disconnect working more robustly. CheckIsReady definitely has problems. It will frequently - perhaps one connection out of every two or three - NEVER come true after a re-connect, even after the board is up and running perfectly. When this happens, a disconnect seems to be the only thing that gets it working again. Connected seems to operate reliably.

Regards,
Ray L.