teletype

Arduino speaks teletype to an old Lorenz 15

Arduino Team — December 24th, 2025 Brian got his hands on an old Lorenz 15 teletype machine, which was made in the 1950s. He also managed to snag an appropriate teletype modem. But the modem couldn’t seem to understand recorded teletype messages, so Brian used an Arduino Mega 2560 to “speak” teletype and get the Lorenz 15 printing. You can think of the Lorenz 15 with teletype modem as a bit like a vintage terminal...