Example on how Arduinos can send different measurements to a Raspberry Pi via RF 433 Mhz. Project description at: https://larsbergqvist.wordpress.com/2016/03/16/major-tom-to-ground-control-simple-radio-communication-between-arduino-and-raspberry/
LarsBergqvist/ArduinoToRaspberry_via_433Mhz_RF
Example on how an Arduino can send measurements to a Raspberry Pi via RF 433 Mhz
Arduino