You need 2 sets of nrf24l01 and arduino(uno). Connect your nrf24l01 and arduino(uno) as in the table above. One of arduino runs send/send_simplified. The other one runs recv. The NRF24 library file is ...
This is a library of KiCad schematic symbols and PCB footprints for most Arduino modules. You can use them to make your own PCB design which will effortlessly connect with your chosen Arduino module.