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Home Assistant 2025.3: View those headers!
(www.home-assistant.io)
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
This is how I started too.
I just wanted something to monitor and track solar usage. Next thing I know, my whole house is monitored and automated.