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I made a similar thing, and I chose wifi because the garage was simply too far for wires. It's a simple build with a relay over wifi.


Why would you use wifi rather than radio? encryption?


For me: because it requires the least amount of hardware and also works with Amazon Echo for voice control. With a different type of radio, if you still need it on the internet, you have to somehow bridge it, which means more hardware.


Yes, and reliability. TCP gives you a lot of nice things.




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