HY IT'S MY FIRST TIME HERE ASKING ABOUT STM32WB5MMG MCU CIRCUIT BOARD DESIGNE WITH 1 LAYER :1 - CAN WE ATTACH ALL THE PIN FROM 61 TO 84 TO GND BECAUSE WE DON'T WANT TO USE THIS PINS ?2 - CAN WE PLACE SOME PADS OR SENSOR(IN MY CASE ACCEL GYRO) CLOSE T...