The Apollo Guidance Computer display keyboard,…

The Apollo Guidance Computer display keyboard, or DSKY. Actual device (inside the Apollo 16 lunar module “Orion,” pre-flight), and (Open Source Arduino based) replicas below.

Kickstarter: OPEN DSKY Apollo 50th Anniversary

h-t Space.com: DIY DSKY: Apollo Astronaut Keypad Being Rebooted as Open Source Replica