{"id":17529601,"url":"https://github.com/nullobject/papilio-neopixel","last_synced_at":"2026-01-27T10:03:39.920Z","repository":{"id":12050038,"uuid":"14636024","full_name":"nullobject/papilio-neopixel","owner":"nullobject","description":null,"archived":false,"fork":false,"pushed_at":"2014-03-01T11:53:35.000Z","size":256,"stargazers_count":2,"open_issues_count":0,"forks_count":0,"subscribers_count":3,"default_branch":"master","last_synced_at":"2025-05-19T02:11:19.079Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"VHDL","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/nullobject.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2013-11-23T04:10:27.000Z","updated_at":"2023-03-15T00:44:07.000Z","dependencies_parsed_at":"2022-08-28T01:02:40.668Z","dependency_job_id":null,"html_url":"https://github.com/nullobject/papilio-neopixel","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/nullobject/papilio-neopixel","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nullobject%2Fpapilio-neopixel","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nullobject%2Fpapilio-neopixel/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nullobject%2Fpapilio-neopixel/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nullobject%2Fpapilio-neopixel/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/nullobject","download_url":"https://codeload.github.com/nullobject/papilio-neopixel/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nullobject%2Fpapilio-neopixel/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":28811496,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-01-27T07:41:26.337Z","status":"ssl_error","status_checked_at":"2026-01-27T07:41:08.776Z","response_time":168,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.6:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"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":[],"created_at":"2024-10-20T16:21:03.330Z","updated_at":"2026-01-27T10:03:39.904Z","avatar_url":"https://github.com/nullobject.png","language":"VHDL","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Papilio NeoPixel\n\nThis circuit implements a PicoBlaze microcontroller which controls a\n[NeoPixel](http://learn.adafruit.com/adafruit-neopixel-uberguide) LED.\n\nAddress and value data is clocked out from the PicoBlaze microcontroller (U1)\ninto the 2-phase data demultiplexer (U2) and stored in the dual-port RAM (U3).\nThe WS2812 driver (U4) continually refreshes the NeoPixel LED data from RAM.\n\n![Schematic](/images/schematic.png)\n\n\n## References\n\n* [WS2812 datasheet](http://www.adafruit.com/datasheets/WS2812.pdf)\n* [WS2812 RGB LED string driver](http://opencores.org/project,ws2812)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnullobject%2Fpapilio-neopixel","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fnullobject%2Fpapilio-neopixel","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnullobject%2Fpapilio-neopixel/lists"}