Looking for advice: Basic autonomous/"off grid" system

I would like to set up a basic security system for my house, basically just enough to notify me if someone enters the building or if a fire is detected.

Ideally, the system would be self contained and send notifications directly to my phone over 4g/LTE networks or something like that. I would like to avoid giving access to this data to outside companies.

As for sensors all I would want would be a few door sensors, window sensors, and infrared beam, and a few smoke detectors. I’m on the fence about adding a camera. My first thought is to center this around a private server running on a Rasberry Pi but I have no idea where to start.

Thanks in advance for any advice!

submitted by /u/edjumication
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September 3, 2023
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