Morse code Decoder (using pushbuttons and OLED Screen) with 5wpm speed

I have used two pushbuttons. One pushbutton sends an encrypted Morse Code message to Arduino for decryption; the other pushbutton is used to display the decrypted message(character) through the OLED screen. You have to push the pushbutton for 1sec approx for a "dot" and 2sec for a "dash".

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Message: ... (three dots mean 's' in morse) Image

Message: ---(three dashes mean 'O' in morse) Image

Message: ... (three dots mean 's' in morse) Image

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Here is the link to the simulation in the Wokwi simulator: https://wokwi.com/projects/425214595189811201

You can decrypt any message by each character

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Happy Learning ;)