Robin2's simple rf24 tutorial has an example that switches the radio roles.
If you want the slave to send data to the master, the slave can send a message with the ACK payload. The tutorial has example code for that, too.
Robin2's simple rf24 tutorial has an example that switches the radio roles.
If you want the slave to send data to the master, the slave can send a message with the ACK payload. The tutorial has example code for that, too.