Morse code

• Morse code is a method of transmitting text information as a series of on-off tones and lights or clicks.
• Recipient can understand the message without additional decoding equipment.
• Dits /Dahs provides the code. Dits refers to dots and dahs refer to dash.

• The below figure shows how Morse code will generate.

• The below figure shows how normal text will convert to Morse code.

Advantages

• Simple to use.
• Can be used by someone with disability too.
• No power required for transmission
• Narrow Bandwidth required
• Easier to filter out background noise.

Disadvantages

• Cannot be transmitted or received by any person.
• Maximum speed (20 WPM).
• Not an up-to-date technology.

History

• Samuel Morse got idea of inventing a secret code language in 1800s when he worked with an electrical telegraph system.
• In 1836 - Samuel Morse, Joseph Henry and Alfred Vail developed an electrical telegraph system.
• Morse planned to transmit only numerals at first.
• After that , Alfred Vail included letters and special characters.