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These wireless transmitters and receivers easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link.

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RF Link Transmitter and Receivers

315MHz 434MHz
RF Link Transmitter - 315MHz RF Link Receiver - 315MHz RF Link Transmitter - 434MHz RF Link Receiver - 434MHz
RF Link Transmitter - 315MHz
[WRL-10535]
RF Link Receiver - 315MHz
[WRL-10533]
RF Link Transmitter - 434MHz
[WRL-10534]
RF Link Receiver - 434MHz
[WRL-10532]

These wireless transmitters and receivers easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link. The original legacy VirtualWire library that is used in this GitHub repo can be found here. However, we recommend using the latest RadioHead library, which supports more architectures.

Note: The 315MHz RF Link receivers are almost identical to the 434MHz RF Link receivers. SparkFun does everything in our power to make sure you receive the product you requested. However, if you are concerned you may have received the incorrect product you can verify which version receiver this is by running a simple test circuit with it's corresponding RF Link transmitter (i.e. make sure to use the 315MHz RF Link transmitter with the 315MHz RF Link receiver).

Repository Contents

  • /Firmware - Arduino libraries and example sketches

Documentation

Product Versions

315MHz

434MHz

License Information

All other code is open source so please feel free to do anything you want with it; you buy me a beer if you use this and we meet someday (Beerware license).

Distributed as-is; no warranty is given.

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These wireless transmitters and receivers easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link.

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