RF-based home automation using Raspberry Pi (Part 1)

While researching around on how the small sensors on doors/windows and motion detectors work, I found out that they are based on a radio frequency protocol which is typically on the 433 Mhz, 315 MHz or 868 MHz bands.

https://binesh-amarasekara.medium.com/rf-based-home-automation-using-raspberry-pi-part-1-b2226c7068da

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