RAK3272S Digital I/O's

Pin Name	J Connector pin
PA4	J5 pin 4
PA5	J5 pin 3
PA6	J5 pin 2
PA7	J5 pin 1
PA8	J4 pin 1
PA9	J4 pin 2
PB6	J5 pin 5
PB7	J5 pin 6