this post was submitted on 02 Jul 2023
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Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io
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Most people run rtl_433 to decode radiofrequency signals.
https://github.com/merbanan/rtl_433
0’s and 1’s are encoded with increases and decreases of amplitude of the carrier frequency, as in AM radio.