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An Enigma cypher machine in a pocket watch, with Arduino and an OLED display!
Exciting to read in Hackaday about YouTuber asciimation building an Arduino-based Enigma code machine (vintage World War II). The Germans used large typewriter style machines to encode and decode messages for broadcast. The system was broken by the Allies through a great amount of work and money.
The amazing thing is it fitting inside a pocket watch form factor. How much would the Allies have wanted for one of these 75 years ago?
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.