![]() ![]() The incoming code is displayed as text on your Arduino Serial Monitor (or TFT screen if fitted) A tone oscillator has been included should you wish to practice sending morse. ![]() I have all the parts laying around to do this. It is often used in DTMF tone detection as an alternative to the Fast Fourier Transform because it is quick with low overheard because it is only searching for a single frequency rather than showing the occurrence of all frequencies. The decoder, which automatically adjusts to the send speed, is capable of decoding morse up to at least 80 words per minute. And the algorithms minimal CPU needs are what allow it to be used on a slow Arduino. Faster LCD library hd44780 used in the final version. The code for a Goertzel on an Arduino has been on the Arduino site for a while I think its for recognizing DTMF tones. maybe reduce system to one key, short press advances menu, long press to use. ![]() For this project the resources were particulalry useful. CW Skimmer will decode up to 700 morse code signals at once. Thanks to everyone that provides information online. Unless you need an arduino to decode it :D. Useful links used to develop this project ![]() Where there is long gaps between characters.
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