Originally developed for telegraph systems, [Samuel Morse’s] code has been sent over wires, via radio, and even with flashes of light. Hackers, makers and engineers have been working with ...

Morse code is a communication system developed by ... for example, or turning a light on and off. Owners of a Nokia mobile phone in the early 2000s may remember a distinctive series of beeps ...

In this activity campers use their light bulb circuit to send a message in Morse Code. Morse Code is made up of a series of clicks that represent letters and numbers. It is written in dots and dashes.