For those who have been tinkering with arduino for a longer period have very likely heard of the legal battle that has been going on between "arduino.cc" and "arduino.org" who both where developing independent from each other after a conflict between the original founders of arduino took place.

• Read more about Arduino battle ends in peace !

Some smart people managed to write software that turns a RaspberryPi into an FM transmittor between 1 and 250 MHz ...
All you need to do is connect a wire to a GPIO pin as an antenna !

Isn't that the coolest project for a RaspberryPi so far ?

Check it out:

• Read more about Build a 1 to 250Mhz FM TX with nothing else than a RaspberryPi Primary tabs

KiwiSDR: BeagleBone Software-defined Radio (SDR) with GPS

What is KiwiSDR?

• Read more about Very nice new SDR project for the Beaglebone !

This is an amazing project:

ARDUINO RF NETWORK ANALYZER

http://hackaday.com/2016/03/06/arduino-rf-network-analyzer/

For some time we knew that Icom had created this new and first full SDR based ham radio transceiver.

Rumors had been going around that the price point this transceiver would be very low compared to what you would get for it.

An it turns out to be true!

• Read more about Icom IC7300 finally in the stores