A Morse code paddle automates some of this process. By tapping the paddle with the thumb from left to right, a 'dot' is sent with the correct duration no matter if the paddle is only very quickly tapped. In other words, the timing is taken care of.

What is the tapping code called?

The tap code, sometimes called the knock code, is a way to encode text messages on a letter-by-letter basis in a very simple way. The message is transmitted using a series of tap sounds, hence its name. The tap code has been commonly used by prisoners to communicate with each other.

How do you tap SOS in Morse code?

In the language of Morse code, the letter “S” is three short dots and the letter “O” is three longer dashes. Put them together and you have S.O.S.