If you have an awesome Acme Systems Aria G25 board you can boot it with the provided Debian Squeeze distribution. If you want to upgrade to the new Wheezy you can follow my previous tutorial, but if you want to …
The microcontrollers almost always have one UART port, but haven’t (by default) the hardware needed to connect in wireless to other devices: to do this you can make a wireless UART. Using a couple of RF transceiver you can easy …