Minecraft wiki entry for Morse_code, associated text: For Morse code to be able to be sent and received in Minecraft, redstone circuits will be required. There are two main gates for first decoding the signal - an AND gate and RS-NOR latch. It's recommended that you read up on those and get familiar with them before proceeding. There are three main sections of this - the Sender, which will create the signal required, a Decoder, which turns the signal into a series of lights indicating the dots and the dashes, and finally a Translator, which can be connected to turn that information into a single light representing the letter sent.