RF-based home automation using Raspberry Pi (Part 2)

I have previously published the first part of this topic which is about interfacing with a RF-based home security system. Later on, I found a relatively cheap 220V relay that works on the same 433 MHz frequency and decided to purchase one from AliExpress to try out.

https://binesh-amarasekara.medium.com/rf-based-home-automation-using-raspberry-pi-part-2-db9916227da1