Thanks for the detailed explanation. I think that I understand now but just want to confirm which pins on the RedBoard Artemis Nano are the standard SDA/SCL recognized by Wire. By extension of your explanation for the RedBoard Artemis would they be 9/TX1, 10/RX1 which map to Apollo3 pads 39 and 40? If so why aren’t they silkscreened SDA/SCL?