No MOSI data nrf24l01

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Hi I am using an arduino and 2 nrf24l01 PA modules with 2 arduino nano's using a buck converter at 3.3V to power the 2.4G modules. I have tried many sketches but all have failed, consistently the modules do not respond.

I am using test code from the RF24 library:



Linked below however I Have the logic analyser inputs from both modules for which I am using this:    simple code

I have ensured the pinout is correct: MISO pin 12      MOSI pin 11       CS 10        CE    9     SCK 13


Please help this has confused me for days and I keep replacing components to no avail.