Building the machine…

Enigma I replica

AAA

Type on your keyboard or tap a black key. Each press steps the rotors and lights one lamp.

in

out

Settings

Ring setting shifts the wiring against the letters. You can also tap a rotor in 3D: upper half turns it forward, lower half back.

Tap two letters to connect them with a cable.

Lid closed X-ray: current through the wiring Exploded rotors Slow motion (watch the pawls) On-screen keys