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I used this tutorial to set up the NRF24 module: http://invent.module143.com/daskal_tutorial/raspberry-pi-3-wireless-pi-to-arduino-communication-with-nrf24l01/

It works, but only the first time after a boot. So I have to reboot the raspberry and can run the program again. But only one time. Than I have to reboot again. Does anybody know the reason...? It took me hours to figure this out and only by chance I realized that the code works... :-D

Thank you for your answers.

Best Regards Carsten

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    Could you put the relevant information in your question? The link will eventually die. – joan Jan 3 at 8:47
  • Hi @Carsten, did you ever get this working? I'm also having strange issues. – Jak May 13 at 9:29
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This answer fixed my issues

In lib_nrf24.py in function:

def begin(self, csn_pin ... after self.spidev.open add:

self.spidev.max_speed_hz = 4000000

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