How to use NRF24 and USB Host Shield at the same time together, at Arduino?tyvm.

You should not be using software based SPI. Based on the most common library defaults, the two should work together without changes. Since they do not, you have not posted enough information to make a determination of the conflict. The only thing we know is that you're using an Arduino USB host shield.

  1. Please post links to the specific libraries you are using.
  2. Please post photos or links to your NRF24 hardware.
  3. State specifically which Arduino board you are using.
  4. Please post your full code using code tags. Use </> icon.