Code for a 433MHz RF Wireless Transmitter and Receiver module. I had a lot of issues trying to find help when I was first learning about these devices. This code ...

This example shows how you can use the Whadda Long Range 433MHz RF wireless module set (WPI469) with two Arduino® compatible boards to send and receive data.

Abstract: This paper presents a wireless communication system utilizing a 433MHz RF module alongside human presence detection using a Passive Infrared (PIR) sensor. The system is designed to enable ...