[Rostislav Persion] wrote a simple Morse Code decoder to run on his Arduino and display the text on an LCD shield. This is probably the simplest decoder possible, and thus its logic is pretty ...

But we were impressed with [SirDan’s] Morse code decoder built with the graphical MakeCode. Granted, it is reading 5 element groups from a button on the BBC micro:bit and not worrying about ...

According to Redditor whatnowayimpossible, this was actually a Morse Code signal that spelled out the word RADIATION. Again, nothing that would seem particularly relevant to the plot, but there's ...