For RF24 radios a good starting place is Robin2's simple rf24 tutorial.
For HC05 Bluetooth, search for "Martyn Currie HC05" for information on using HC05 and this page on connecting 2 HC05s: https://howtomechatronics.com/tutorials/arduino/how-to-configure-pair-two-hc-05-bluetooth-module-master-slave-commands/