Take one IpaQ running WinCE, on a strongARM processor, with built in microphone.Add a dash of MS eMbedded Visual Tools (eVB and eC++), a hefty dose of Ars Software Colloquium advice and simmer for ...

Now, hams are using the Raspberry Pi to receive highly readable Morse code using very low power. The software is QrssPiG and it can process audio or use a cheap SDR dongle.