Morse code was invented by the American inventor, Samuel F. B. Morse in the early 19th century for use with his invention, the telegraph. The code represents a series of pulses defined by their duration as dots (short) and dashes (long). The pulses may be transmited as electrical current, as light, or as sound (taps or clicks). Each "dash" should last for three times as long as a "dot" with a gap of three dots length between letters and seven between words. If you make a mistake, send eight dots to indicate that the last word is to be deleted.

A			B			C			D
E			F			G			H
I			J			K			L
M			N			O			P
Q			R			S			T
U			V			W			X
Y			Z			0			1
2			3			4			5
6			7			8			9

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