If you've purchased the a pair (or more) of the NRF24L01+PA+LNA transceivers , there is a lot of old example code out there that does not work anymore (as of 2016) and this drove me nuts. The standard ...

Using the NRF24L01 library created by TMRh20 https://github.com/TMRh20/RF24 It's in the Arduino Library manager so you can install it from there. If all you need is ...