Looks like I have to resort to psychological blackmail then<P>"An spectrum analyser for an IpaQ pocketPC using the built in mic would be awesome, but it's probably <B>impossible</B>. I bet it can ...

Often the Morse Code centered projects that we feature are to help you practice transmitting messages. This one takes a tack and builds an automatic decoder. We think [Nicola Cimmino’s] project ...

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 ...