I bought a 433MHz receiver and transmitter to send data from a Raspberry Pi 3 to an Arduino Uno.

I searched the internet for tutorials, Arduino StackExchange and Raspberry Pi StackExchange but I did not find anything helpful.


2 Answers 2


The 433Utils Library is probably what you're looking for. The author even provides example arduino sketches. If you want the Arduino to listen the RF-Sniffer is what you need!

There are also more great tutorials online just like this one.

  • I think that's what I need. I am already testing code from the GitHub repo.
    – manarinian
    May 27, 2021 at 17:26

You could try my implementation of VirtualWire to send small data packets between a Pi and an Arduino.


Class to send and receive radio messages compatible with the Virtual Wire library for Arduinos. This library is commonly used with 313MHz and 434MHz radio tranceivers.

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