A related hack: using the Pi to transmit at 433.92 MHz with minimal hardware [1]. This frequency is commonly used for remote controlled wall outlets and such.

A related hack: using the Pi to transmit at 433.92 MHz with minimal hardware [1]. This frequency is commonly used for remote controlled wall outlets and such. [1] http://www.skagmo.com/page.php?p=projects/22_pihat http://www.skagmo.com/page.php?p=projects/22_pihat