{"id":20960585,"url":"https://github.com/natronics/blinky-lights","last_synced_at":"2026-03-15T19:40:35.386Z","repository":{"id":7275921,"uuid":"8589684","full_name":"natronics/blinky-lights","owner":"natronics","description":"My first 555 project, also an example board for psu-epl","archived":false,"fork":false,"pushed_at":"2013-03-11T01:08:29.000Z","size":536,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-03-13T06:42:52.012Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":null,"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/natronics.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":"2013-03-05T21:34:58.000Z","updated_at":"2013-11-06T02:43:12.000Z","dependencies_parsed_at":"2022-09-07T19:21:17.061Z","dependency_job_id":null,"html_url":"https://github.com/natronics/blinky-lights","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/natronics/blinky-lights","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/natronics%2Fblinky-lights","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/natronics%2Fblinky-lights/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/natronics%2Fblinky-lights/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/natronics%2Fblinky-lights/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/natronics","download_url":"https://codeload.github.com/natronics/blinky-lights/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/natronics%2Fblinky-lights/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":28006951,"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":"2025-12-24T02:00:07.193Z","response_time":83,"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":[],"created_at":"2024-11-19T01:59:39.140Z","updated_at":"2025-12-24T19:36:32.112Z","avatar_url":"https://github.com/natronics.png","language":null,"funding_links":[],"categories":[],"sub_categories":[],"readme":"# blinky-lights\n\nMy first 555 project, also an example board for [psu-epl](http://psu-epl.github.com/).\n\nIt's a small PCB with a [555 timer](http://en.wikipedia.org/wiki/555_timer_IC)\nthat drives the clock of a shift register/LED driver IC to make a bunch of\nLEDs blink in a turn.\n\nCAD files are made with the a free copy of [EAGLE](http://www.cadsoftusa.com/) version 6.3.0.\n\n\n## Schematic\n\n![preview of schematic](https://raw.github.com/natronics/blinky-lights/master/schematic.png)\n\n## Layout\n\n![preview of board](https://raw.github.com/natronics/blinky-lights/master/board.png)\n\n## BOM\n\n - 1x 555 Timer\n - 1x Allegro A6278EA LED Driver IC\n - 2x 10 μF Capacitor\n - 1x 0.01 μF Capacitor\n - 2x 1k Ω Resistor\n - 1x 4k Ω Resistor\n - 1x 500 Ω Resistor\n - 1x 10 Ω Resistor\n - 1x N Channel MOSFET (TO-92)\n - 8x 3mm LEDs\n - 1x Spare USB cable\n\n# Build Log\n\n## 2013-04-10\n\nGood working breadboard. Schematic and board layout (should) match what is working on my bench.\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnatronics%2Fblinky-lights","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fnatronics%2Fblinky-lights","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnatronics%2Fblinky-lights/lists"}