• I made sure it was all wired at power up and sure enough, it lit up just fine (@ 38400 too). This will be interesting as my true target for this is battery powered. Maybe I'll add a watch on button hold to enable Serial1 and setConsole...

    Either way, thank you both! One step forward.

    (BTW: the target board is a C20 smartwatch [https://www.aliexpress.com/item/33025338­264.html] which were on sale last year for $10US. One became an experiment and I somehow fried the BT system, so looking for an alternate console. )

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