(I pressed my keyboard keys to increase or decrease timeframes.)Įxample, if the first beep is a dot followed by a gap, you have letter E. Follow the right when a beep is a dash (greater than 12 mSec).Įnd a character when the gap is 25 mSec. (There are at most 5 steps or levels, assuming you make do with 32 characters.) Follow the left path when a beep is a dot (less than, say 12 milliSecond). The switching becomes complex, but it's one way to pursue proof of concept.Ĭreate an electronic branching structure based on whether a dot or a dash is encountered at each step. The output is a series of dots and dashes. Apply a network to a shift register (as an alternative, one or two 4017 decade counters). To make a gap apply a pull-down resistor. Otherwise you need to create artificial memory cells and artificial binary words.Įach character (dots and dashes) can be stored as a series of diode-resistor pull up networks. The job is easier with a computer of course. It successfully translated beeps into English text onscreen. I developed my own morse decoder years ago for my Commodore computers.
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