Brian Keith Bell

When my family and I moved into our new house, we found a legacy DSC Alarm Panel and its suite of wireless sensors already installed. Since the system was outdated, unmonitored, and completely disconnected from modern alert systems, I opted to remove it. However, the hardware itself—a testament to its vintage engineering—was robust and still functional. I decided that instead of tossing it, I would transform this robust, inherited system. This multi-part series isn’t just about cleaning up an old alarm; it’s about transforming it into an off-grid, resilient, and intelligent security guardian using the Meshtastic mesh networking protocol! My ultimate goal is to create a fully self-reliant, peer-to-peer notification system that can alert me even when the internet is down, power is out, or cellular networks are jammed. I am taking this abandoned, time-tested wireless DSC system and giving it a powerful, modern, digital voice.

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