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Teaspoon Telegraph
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A straight Morse key that uses any teaspoon between 130mm and 150mm as the lever arm, and a rubber band as the spring. The head of the spoon rests on a replaceable bearing surface, on which is can slide of flex to give the lever action. A magnetic contact connects the wiring to the back of the spoon; pressing down on the handle completes the circuit. Full documentation, print and build guides at https://ympt.co.uk/teaspoontx.html
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