Morse code was once a staple of the communications industry, but with advancing technology it has become relegated almost exclusively to movies and a niche group of ham radio operators.

Initially we build a transmitter and receiver to communicate between Arduinos using Morse code sent by pulses of light waves. Next, ... light pulses are just like Morse code pulses and can be received ...

The Morse key is a switch that connects and disconnects the 12V power to the rest of the circuit. It has a wooden knob on the top, which makes tapping out the Morse code easier.

Forgotten modulation methods Mar 1, 2008 12:00 PM, By John Battison, P.E., technical editor, RF Electrified telegraphy was the first practical use of electricity for long-distance communication. This ...

This could work for any hollow figurine you have collecting dust on your shelves, but due to Android's open-source nature a little robot is the obvious ...

1840: Samuel F.B. Morse receives a U.S. patent for his dot-dash telegraphy signals, known to the world as Morse code. The code Morse devised in partnership with Alfred Vail uses a system of dots ...

Back in 2009, he built “El Silbo”, a ham radio transmitter powered ... so you should bone up on your Morse Code a bit before building one. Like many QRP transmitters El Silbo’s circuit is ...