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 ...

SPI speed depends on the CPU frequency. STM32 does not work because it has various CPU frequencies. Sketch uses 3054 bytes (9%) of program storage space. Maximum is 32256 bytes. Global variables use ...