{"id":18118613,"url":"https://github.com/munshkr/picopico","last_synced_at":"2025-10-12T18:56:31.253Z","repository":{"id":139513740,"uuid":"77800152","full_name":"munshkr/picopico","owner":"munshkr","description":":headphones:  ATtiny85-based chiptune player","archived":false,"fork":false,"pushed_at":"2022-11-11T15:54:56.000Z","size":97,"stargazers_count":29,"open_issues_count":1,"forks_count":2,"subscribers_count":3,"default_branch":"main","last_synced_at":"2025-04-14T17:11:50.345Z","etag":null,"topics":["attiny85","chiptune","mml","sound"],"latest_commit_sha":null,"homepage":"","language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"gpl-3.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/munshkr.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":"2017-01-01T22:53:07.000Z","updated_at":"2024-07-28T04:43:05.000Z","dependencies_parsed_at":null,"dependency_job_id":"16c1a58c-f079-4adf-b688-7bd9314c3efa","html_url":"https://github.com/munshkr/picopico","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/munshkr/picopico","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/munshkr%2Fpicopico","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/munshkr%2Fpicopico/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/munshkr%2Fpicopico/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/munshkr%2Fpicopico/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/munshkr","download_url":"https://codeload.github.com/munshkr/picopico/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/munshkr%2Fpicopico/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":279012530,"owners_count":26085135,"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","status":"online","status_checked_at":"2025-10-12T02:00:06.719Z","response_time":53,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"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":["attiny85","chiptune","mml","sound"],"created_at":"2024-11-01T05:12:43.212Z","updated_at":"2025-10-12T18:56:31.237Z","avatar_url":"https://github.com/munshkr.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# picopico ピコピコ\n\nA very small chiptune synthesizer and player.  Sound is made with an 8-bit microcontroller (Attiny85) and\ntries to mimic a classical sound chip used in video game consoles from the 80s.\n\nPretty much inspired by [1-bit symphony](http://www.1bitsymphony.com/) by\nTristan Perich and [lft/kryo's project](http://www.linusakesson.net/hardware/chiptune.php).\n\n![](http://i.imgur.com/SciTb4v.jpg)\n\n## Hardware\n\n* AVR ATtiny85\n* CR2032 coin cell battery\n* 1K resistor\n* 0.1uf capacitor\n* 3.5mm audio jack\n* Push button\n\n### Schematic\n\nNote: This schematic is old and inaccurate (although similar). Please see this [tutorial](https://github.com/munshkr/picopico/wiki/Programming-with-Arduino-Uno) as the protoboard picture reflects more accurately the current design.\n\n\n![](schematic.png?raw=true)\n\n## Software\n\n* Music written in an MML-like language\n* HTML5 editor with sound emulator\n\n## To do\n\n- [x] Change current parser for a standard MML parser\n\n```\n\u003e AB cdefg4 l8 \u003ecde\u003cc o5 r c\n```\n\n- [x] Implement Square waveform for voice 1 and 2\n- [x] Implement Noise waveform for voice 3\n- [ ] Envelopes!\n- [ ] Work on MML compiler and editor\n\n## License\n\nSchematic and original source code made were taken from a series of blog posts\nby [David Johnson-Davies](http://www.technoblogy.com/).\n\nSchematic image is licensed under Creative Commons 4.0.  Source code is\nlicensed under GPLv3.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmunshkr%2Fpicopico","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmunshkr%2Fpicopico","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmunshkr%2Fpicopico/lists"}