AVR Pro Mini Pin Layout

| NRF24L01 | Arduino Mini Pro | Wire Color | | ------------- |-------------| -----| -- | | GND | GND (via Reg) | Orange| | VCC | VCC3.3 (via Reg)| Purple | | CE | 9 B(1) | Yellow | | CSN | 10 B(2) | Gray | | SCK | SCK B(5) | Green | | MOSI | MIS(O) B(4) | White | | MISO | MOS(I) B(3)| Blue | | IRQ | IRQ | Black |