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 ...

With an off-the-shelf headband, this information transmission method is quite accessible to anyone willing to learn Morse, and [Michael] himself is now working on an automated decoding solution.

This project uses two Arduino to communicate with each other using light by means of Morse Code. As a more advanced project, it has some complex array usage and investigates converting switch inputs ...