{"id":15487799,"url":"https://github.com/werediver/clock","last_synced_at":"2026-03-18T16:51:50.725Z","repository":{"id":159136151,"uuid":"607225978","full_name":"werediver/clock","owner":"werediver","description":"Electronic desktop clock based on Pico/RP2040.","archived":false,"fork":false,"pushed_at":"2023-09-15T18:54:12.000Z","size":4756,"stargazers_count":2,"open_issues_count":0,"forks_count":0,"subscribers_count":2,"default_branch":"main","last_synced_at":"2024-10-19T08:13:19.706Z","etag":null,"topics":["hardware"],"latest_commit_sha":null,"homepage":"","language":"HTML","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/werediver.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,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2023-02-27T15:15:07.000Z","updated_at":"2023-04-06T06:39:03.000Z","dependencies_parsed_at":"2024-12-08T04:41:08.964Z","dependency_job_id":"2bad1096-1ce2-426d-9f0a-ac93a9979b0b","html_url":"https://github.com/werediver/clock","commit_stats":{"total_commits":23,"total_committers":1,"mean_commits":23.0,"dds":0.0,"last_synced_commit":"94458f92cf2f43e01c468d9bb7c2680749740552"},"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/werediver%2Fclock","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/werediver%2Fclock/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/werediver%2Fclock/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/werediver%2Fclock/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/werediver","download_url":"https://codeload.github.com/werediver/clock/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":246059336,"owners_count":20717085,"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":["hardware"],"created_at":"2024-10-02T06:41:47.975Z","updated_at":"2026-01-06T17:54:31.557Z","avatar_url":"https://github.com/werediver.png","language":"HTML","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Clock\n\nThis [Pico](https://www.raspberrypi.com/documentation/microcontrollers/raspberry-pi-pico.html)-based clock uses a dedicated oscillator for the built-in RP2040 [RTC](https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf#section_rtc), displays time using seven-segment indicators, features capacitive touch-sensing buttons, and a custom built-in NiMH charging circuit.\n\nThe estimated run-time on a single charge is _one week_ (yes, _just_ one week).\n\n\u003cp width=\"100%\" align=\"justify\"\u003e\n\u003cimg alt=\"PCB 3D view, top\" width=\"49.5%\" src=\"images/3D%20top.png\"\u003e\n\u003cimg alt=\"PCB 3D view, bottom\" width=\"49.5%\" src=\"images/3D%20bottom.png\"\u003e\n\u003cimg alt=\"Photo, combined\" width=\"100%\" src=\"images/Photo%20comb.jpg\"\u003e\n\u003c/p\u003e\n\nWhen assembling, refer to the [interactive BOM](https://htmlpreview.github.io/?https://github.com/werediver/clock/blob/main/KiCad/bom/ibom.html) page.\n\n## NiMH battery charger\n\n```mermaid\n---\ntitle: Charger state machine\n---\nstateDiagram-v2\n    [*] --\u003e Hold\n    Hold --\u003e Charge: ext_power \u0026\u0026 v \u003c HIGH\n    Charge --\u003e Charged: d(v) ≤ NDV || is_adc_saturated() || is_timed_out()\n    Charged --\u003e Charge: v \u003c HIGH\n    Charge --\u003e Hold: !ext_power\n    Charged --\u003e Hold: !ext_power\n```\n\n- [ ] Add a time-out for `v ≥ NiMH_HIGH` (1–2h?)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fwerediver%2Fclock","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fwerediver%2Fclock","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fwerediver%2Fclock/lists"}