I searched all over the internet examples and each I fall on to the new version NRF24L01 +. The problem is that the connection has evolved examples of the new card is not compatible. So for pretty near the same price the new version should be favored
For the generation that built the first radio stations in ceramic transistors or with galena, (generation to which I belong) is a technological marvel of miniaturization and reliability. It remains only to find original applications and experiment!