A short update on my Raspberry Pi security alarm project

Quick recap: I&rsquo;m building a DIY security alarm using a Raspberry Pi, hardwired PIR sensors, and MQTT integration with Home Assistant. &#xA; Hello again — it seems to be close to a year since I last managed to get some words published on this blog. And almost three years since I last wrote about my Raspberry Pi security alarm project &#x1f62e; &#xA; But the project is still alive and well. We…