WMXZ
Senior Member

Agree, solder need to be improved

For the records Bill attributes this to a bug in SdFat that was removed with version 2.2.0 see https://github.com/greiman/SdFat/issues/389

I guess you are right on the number. For the rest, that was my idea also.

should work with custom software: T4.x has up to 4 I2S data out ports, which could generate 16 out channels for 4 Audioboards you would need to use two different I2C controls ports.

Kurt, Do I understand it correctly, you wanted to detect at compile time if the user inserts/removes a uSD card?

my reply was triggered by (emphasis my me) but may KurtE was intending something different

is the "__has_include("file.h") not testing if "file.h" CAN be included and not if it is included by the sketch? gcc.gnu.org/onlinedocs/cpp/_005f_005fhas_005finclude.html : "The special operator __has_include...