I'm trying to think of a way to make my Arduino Mega pick a random word from a list, flash all the segments of an LCD in the morse code for that word, then give me a few seconds to try to guess the word, then the LCD would display the word. I'm looking for a good method to store and access the mors…

How much of this project do you have working?

[image] pleevamo: I was thinking to have a long array of words, pick one at random, then access each letter in the word in a for loop. I'm just not sure how to use the letter as a key to access the binary morse integer. Ideas are good. Characters have numerical values already, see ASCII code …

[image] Paul_KD7HB: How much of this project do you have working? I have an LCD that I can output words onto and turn on and off. I think I can figure out how to use my little binary code to turn the segments on and off at the correct times.

[image] alto777: You could do some calculations. 'A' is 65, any letter after that is just one more, so a character minus 'A' or 65 would be an index 0 to 25 for the 26 letters A..Z. Oh, that'd be great, thanks!

Besides the timing to dots and dashes, you also need to get the timing correct for the space between letters and the space between words. There are many dozens of Arduino related code around that produce Morse code sounds and you can easily convert to light flashing.

[image] pleevamo: I'm trying to think of a way to make my Arduino Mega pick a random word from a list, consider const char *list [] = { "its", "easy", "to", "tell", "the", "depth", "of", "a", "well" }; #define N_LIST (sizeof(list)/sizeof(char *)) //…

[image] Paul_KD7HB: Besides the timing to dots and dashes, you also need to get the timing correct for the space between letters and the space between words. There are many dozens of Arduino related code around that produce Morse code sounds and you can easily convert to light flashing. It sh…

[image] Paul_KD7HB: you also need to get the timing correct for the space between letters and the space between words. Morse Code Timing Dit: 1 unit Dah: 3 units Intra-character space (the gap between dits and dahs within a character): 1 unit Inter-character space (the gap between the chara…

[image] gcjr: consider I hadn't started thinking about that part yet, but thanks for the suggestion. What is genMorseStub for, though?

[image] pleevamo: What is genMorseStub for, though? ... [image] pleevamo: flash all the segments of an LCD in the morse code for that word

Request for ideas for lookup table functionality

Projects Programming

mrburnette June 1, 2022, 9:33pm 13

All of the Arduino encoding & decoding for Morse Code is freely available for butchering:
https://forum.arduino.cc/t/arduino-magic-morse-with-nokia-84x84-display-minty-magic-morse/165942

Lean 'nuff to run on an old UNO or a bare atmega328P-PU at 8MHz.

Ray

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Request for ideas for lookup table functionality

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