Tell us about yourself!
The middle pin of the potentiometer is connected to the arduino analog pins, and each outer pin is connected to ground on 1 side and 5v on the other, the polarity does not matter. The potentiometers are connected to the arduino, not the XRF.
The analog pins are labelled A0 to A7
Make a High-Altitude Balloon Tracker (Arduino)
3D Printed Arduino Quadricopter
Sturdy Quadcopter Build
Cheap and effective Sous Vide cooker (Arduino powered)
RF 315/433 MHz Transmitter-receiver Module and Arduino
Hack any paid WiFi hotspot in about 30 seconds