But going all the way back to a one-key keyboard is pretty cool, in the case of this Morse keyer to USB keyboard adapter. To revive her dad’s old straight key, a sturdy mid-20th century beast ...

Yet he was behind the first telegraph key ... Samuel Morse, an artist by trade, was convinced he could reduce the number of wires to one. By 1832, he had a crude prototype using a homemade battery ...