For example, devices that operate on 433 MHz can include TPMS sensors, weather sensors, or even utility meters. I believe I have found affordable methods using an SDR to track localized weather data, monitor the refrigerator, and detect minor water leaks.Ī cheap SDR can listen to oodles of devices on common RF bands. As I was looking into energy monitoring solutions for my house, I stumbled upon the world of software-defined radios (SDR). I think it’s silly for devices to stop functioning if there’s a regional AWS outage or the internet goes out. Home automation should be open, affordable, and functional.
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