{"id":20045801,"url":"https://github.com/peppson/simple-updi-programmer","last_synced_at":"2025-10-25T18:32:17.711Z","repository":{"id":246832903,"uuid":"822305711","full_name":"Peppson/simple-UPDI-programmer","owner":"Peppson","description":"Arduino UPDI programmer, based on jtag2updi","archived":false,"fork":false,"pushed_at":"2024-07-08T12:16:23.000Z","size":92,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-01-12T20:10:01.208Z","etag":null,"topics":[],"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/Peppson.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":"2024-06-30T21:39:36.000Z","updated_at":"2024-11-16T09:22:40.000Z","dependencies_parsed_at":null,"dependency_job_id":"a9f30e02-94e9-4ac6-a7db-f49cbf0dfc0d","html_url":"https://github.com/Peppson/simple-UPDI-programmer","commit_stats":null,"previous_names":["peppson/simple-updi-programmer"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Peppson%2Fsimple-UPDI-programmer","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Peppson%2Fsimple-UPDI-programmer/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Peppson%2Fsimple-UPDI-programmer/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Peppson%2Fsimple-UPDI-programmer/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/Peppson","download_url":"https://codeload.github.com/Peppson/simple-UPDI-programmer/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":241476436,"owners_count":19968916,"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":[],"created_at":"2024-11-13T11:19:14.432Z","updated_at":"2025-10-25T18:32:12.669Z","avatar_url":"https://github.com/Peppson.png","language":"C++","readme":"\n# simple-UPDI-programmer (jtag2updi)\n\nAn Arduino UPDI programmer, based on [ElTangas jtag2updi](https://github.com/ElTangas/jtag2updi).  \nConfigured to be uploaded straight from PlatformIO, instead of Arduino IDE.  \nSimply change the target board in `platformio.ini`.  \n\n    board = nanoatmega328new\n  \n## Hardware\nGuide on how to build your own programmer: [Link](https://daumemo.com/diy-updi-usb-programmer-which-can-be-made-with-cheap-hardware/)  \n\nFor anyone interested, I've added two SPDT switches: one for toggling VCC between 3.3V and 5V,   \nand another to bypass the 4.7K resistor, which I've found sometimes helps to establish connection.  \n  \n\u003e ***J2** has to be ***OPEN*** when programming the programmer itself*.  \n\n\n![simple_schematic.png](/simple_schematic.PNG)\n\n  \n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpeppson%2Fsimple-updi-programmer","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fpeppson%2Fsimple-updi-programmer","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpeppson%2Fsimple-updi-programmer/lists"}