Morse code generation using Raspberry Pi

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Morse code generation using Raspberry Pi

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Even though Morse code technology is old, but it will, play the role where internet cannot still it is used in Army forces to send the signal, by also encrypting the code. This Raspberry Pi project is also used to generate Morse code, if it needs to send those codes through some group of people it can also be sent by using MQTT, which requires internet. However, for generating the Morse code internet is not required, only for sending the message directly to others through MQTT, by sending as Morse code, it cannot be decided by everyone.


Block diagram of Morse code generation using Raspberry Pi


In the above Block diagram, Push button is interfaced with the Raspberry Pi so that to generate Morse code by pressing Push button, it can also be heard by connecting speaker in the audio jack of the Raspberry Pi.


Push button, which is connected to the Raspberry Pi, is used to generate Morse code, by pressing the button, which the press identifies the code and holding the button and leaving the button as uphold, the code is generated as like DOT DOT  DASH (.._). which also sent through MQTT for sending a message with encryption in the format of Morse code.



  • Raspberry Pi
  • Power Adapter
  • HDMI to VGA converter (optional, when connecting to Monitor)
  • Push button
  • Speaker


  • SD Card Formatter
  • Win32 Disk Imager (or) Etcher
  • MY MQTT app(optional)



  • Rpi.GPIO as GPIO (To access GPIO Pins of Raspberry Pi)
  • Time library (For Delay functions)
  • pygame



Morse code is always needed when your situation becomes an emergency without internet.

Additional information

Weight 0.000000 kg


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