Enigma machines are fascinating devices, especially for young Makers looking to explore the world of electronics. Awhile back we featured a similar project from Italy, and we’re once again amazed by the work of a 14-year-old boy from Minnesota, who built a retro-modern gadget of his own. The project, which was for a high school science fair, took nine months to complete.
These electro-mechanical rotor cipher machines were developed in the early 20th century to protect commercial, diplomatic and military communication, used especially by German military intelligence during World War II.
In the video below, Andy opens the machine to show its inner workings: the project runs on Arduino Mega along with 1,800 other parts and 500 color-coded wires. We can see that he evolved the rotors into electronic modules that plug into D-Sub sockets, and the interface is made using a 16-segment display showing the rotor position as well as an LCD screen to read the plain- and the encoded text.
from Arduino Blog http://bit.ly/1WD8kVD
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