The only RP2 boards I am aware of which notionally have GPIO15 on Pin 19 and 0V on Pin 20 are the Olimex XL and XXL -
That partially fits with "Pin 18 is still a ground and pin 17 is still GPIO13 and so on".
That partially fits with "Pin 18 is still a ground and pin 17 is still GPIO13 and so on".
Statistics: Posted by hippy — Tue Sep 16, 2025 8:36 pm