There's an RF-Nano on Ali Express that has a link to a github page here. That says CE is on 9 and CSN is on 10.
Maybe try Robin's NRF24L01 test sketches starting with the connection test sketck.
There's an RF-Nano on Ali Express that has a link to a github page here. That says CE is on 9 and CSN is on 10.
Maybe try Robin's NRF24L01 test sketches starting with the connection test sketck.