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Secure use of remote control ? (programming.dev)
submitted 1 month ago by Rick_C137@programming.dev to c/raspberry_pi@programming.dev
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Hi Raspberry Pi Community,

I would like to use radio remote's control to trigger an events on my Raspberry pi.

I guess I'll go with 433Mhz as I believe they are the most common available ?

So I will need a 433Mhz RX/TX Module to connect on the GPIO, so far I get it...

But how properly secure the communication between those remotes and the RPI to avoid any anyone to sniff the transmitting and replay it. In other words spoof it.

Wubba Lubba dub-dub...

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[-] Rick_C137@programming.dev 1 points 1 month ago

I'm open to all solutions :) But it there some ready Bluetooth remote pilot existing ?

[-] RandomUser@lemmy.world 1 points 1 month ago

Not really read up on it yet, but can you do serial over Bluetooth? Quick Google gave me this: https://raspberry-projects.com/pi/pi-operating-systems/raspbian/bluetooth/serial-over-bluetooth

There may even be an android app that could help. Suppose it depends on the scope of your project.

Funnily enough I may have to do something with this tech myself later in the year.

this post was submitted on 02 Jun 2025
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