Monitoring Wireless Sensors
In this post we’ll cover how to monitor inexpensive wireless security sensors. There are two types of wireless sensors that we’ll be working with, door reed switches and passive infra red motion detectors. Each of these sensors transmit a broadcast radio message on the 433Mhz frequency. We’ll be expanding on earlier work with RTL_433. This post will cover how to identify a specific sensor and take appropriate action as needed, all that with a single bash script, let’s begin. The…