These wireless transmitters and receivers easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link.
The most up to date VirtualWire library can be found here.
- /Firmware - Arduino libraries and example sketches
WRL-10535- RF Link Transmitter - 315MHz
WRL-10533- RF Link Receiver - 315MHz
WRL-10534- RF Link Transmitter - 434MHz
WRL-10532- RF Link Receiver - 434MHz
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.