* Fix LED pinout for T-Echo board marked v1.0, date 2021-6-28
* Merge PR #420
* Fixed double and missing Default class.
* Use correct format specifier and fixed typo.
* Removed duplicate code.
* Fix error: #if with no expression
* Fix warning: extra tokens at end of #endif directive.
* Fix antenna switching logic. Complementary-pin control logic is required on the rp2040-lora board.
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Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
