{"id":18295027,"url":"https://github.com/markusschanta/openenigma","last_synced_at":"2025-06-15T18:38:10.417Z","repository":{"id":148953533,"uuid":"141457956","full_name":"markusschanta/openenigma","owner":"markusschanta","description":"Open Enigma - This repository contains the Arduino code for the S\u0026T GeoTronics M4 Enigma.","archived":false,"fork":false,"pushed_at":"2021-10-02T15:21:16.000Z","size":1584,"stargazers_count":14,"open_issues_count":3,"forks_count":5,"subscribers_count":3,"default_branch":"master","last_synced_at":"2025-03-21T03:51:15.464Z","etag":null,"topics":["arduino","arduino-sketch","cryptography","enigma","enigma-machine"],"latest_commit_sha":null,"homepage":"","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/markusschanta.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2018-07-18T15:59:05.000Z","updated_at":"2024-01-25T00:54:16.000Z","dependencies_parsed_at":"2023-04-13T23:26:46.667Z","dependency_job_id":null,"html_url":"https://github.com/markusschanta/openenigma","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/markusschanta%2Fopenenigma","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/markusschanta%2Fopenenigma/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/markusschanta%2Fopenenigma/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/markusschanta%2Fopenenigma/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/markusschanta","download_url":"https://codeload.github.com/markusschanta/openenigma/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":247338750,"owners_count":20922994,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["arduino","arduino-sketch","cryptography","enigma","enigma-machine"],"created_at":"2024-11-05T14:32:50.640Z","updated_at":"2025-06-15T18:38:10.406Z","avatar_url":"https://github.com/markusschanta.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Open Enigma\n\n[![Banner](docs/banner.jpg)](https://www.instructables.com/id/Make-your-own-Enigma-Replica/)\n\nThis repository contains the Arduino code for the [S\u0026T GeoTronics M4 Enigma](https://www.instructables.com/id/Make-your-own-Enigma-Replica/).\nThe S\u0026T GeoTronics M4 Enigma is an Arduino Mega custom shield programmed to replicate the behavior of a [German M4 Enigma machine](https://en.wikipedia.org/wiki/Enigma_machine).\nIt consistes of 4 16-Segment units, 5 LEDs, 26 Lamps setup as keyboard, 26 keyboard buttons \u0026 10 Function keys. The 115 light emitting diodes are multi-plexed. This minimizes the amount of pins needed to control them down to 38 pins and all 36 pushbuttons keys are sharing a total of 4 pins.\n\n## Installation Instructions\n\nDepending on your type of kit, you need to install the relevant version of the code onto the Arduino:\n\n - **[Open Enigma M4](Open%20Enigma%20M4.ino)**\n - **[Open Enigma M4 with Plugboard](Open%20Enigma%20M4%20Plugboard.ino)**\n\n## Operation Instructions\n\nTo understand how to operate the S\u0026T GeoTronics M4 Enigma, please refer to the following guide:\n\n - **[BJ Gleason - Open Enigma for Dummies](https://github.com/markusschanta/openenigma/blob/master/docs/BJ%20Gleason%20-%20Open%20Enigma%20for%20Dummies.pdf)**\n\n## Release Notes\n\n - Designed, assembled \u0026 programmed by Marc Tessier \u0026 James Sanderson 20/9/13.\n - Modified for Prototype PCB pair on 4/12/13.\n - Modified to obey doublesteping and have M3 function 22/3/14.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmarkusschanta%2Fopenenigma","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmarkusschanta%2Fopenenigma","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmarkusschanta%2Fopenenigma/lists"}