{"adoption": {"forks": 219, "observed_at": "2026-08-28T04:03:39.121663+00:00", "stars": 1118}, "canonical_url": "https://ross.abutalabs.com/products/rob311", "card": {"archived": false, "artifact_type": "learning-resource", "description": "How to Build Robots and Make Them Move", "domain": ["robotics", "education", "tutorials"], "enriched": true, "function": ["simulation", "robotics"], "health_score": 20, "homepage": null, "language": "Python", "license": "GPL-3.0", "license_family": "copyleft", "maturity": "stable", "member_repos": ["michiganrobotics/rob311"], "name": "michiganrobotics/rob311", "platform": ["python", "cross-platform"], "pushed_at": "2024-05-22T12:56:27+00:00", "repo": "michiganrobotics/rob311", "stars": 1118, "tags": ["robotics-course", "ballbot", "university-of-michigan", "mechanical-design", "control-systems", "kinematics", "lecture-videos", "hardware-labs", "education"], "topics": [], "urls": [], "use_cases": ["learn robotics fundamentals from a university course", "build a self-balancing ballbot", "study rigid body kinematics and dynamics", "find a robotics course with hands-on hardware labs", "teach an undergraduate robotics class", "learn about motors, transmissions, and motor drivers", "simulate robot dynamics in Python"], "what_it_is": "ROB 311 is an open undergraduate robotics course from the University of Michigan covering mechanical design, actuation, instrumentation, and rigid body dynamics, centered on building a basketball-balancing ballbot. The repository provides lecture videos, slides, lab assignments, and a bill of materials for the hardware project.", "when_to_avoid": ["you need software-only robotics simulation without hardware", "you want an advanced graduate-level robotics course", "you cannot access fabrication equipment like 3D printers or laser cutters needed for the labs"], "when_to_choose": ["you want a structured, video-based introduction to building physical robots", "you need course materials including labs and a bill of materials for a ballbot project", "you are an educator looking for a ready-made robotics curriculum"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/rob311", "repo": "michiganrobotics/rob311", "role": "main", "score": 29}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:03:39.121663+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T06:41:49.428544+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "13ee123e3ce851f70f5f3470bca73351b9da7aadf3df0da0c91bca0a5e6be6f9", "fetched_at": "2026-08-28T04:03:39.121663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/michiganrobotics/rob311"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:03:39.121663+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T06:41:49.428544+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "13ee123e3ce851f70f5f3470bca73351b9da7aadf3df0da0c91bca0a5e6be6f9", "fetched_at": "2026-08-28T04:03:39.121663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/michiganrobotics/rob311"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T06:41:49.428544+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "13ee123e3ce851f70f5f3470bca73351b9da7aadf3df0da0c91bca0a5e6be6f9", "fetched_at": "2026-08-28T04:03:39.121663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/michiganrobotics/rob311"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:03:39.121663+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:03:39.121663+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:03:39.121663+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T06:41:49.428544+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "13ee123e3ce851f70f5f3470bca73351b9da7aadf3df0da0c91bca0a5e6be6f9", "fetched_at": "2026-08-28T04:03:39.121663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/michiganrobotics/rob311"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:03:39.121663+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:03:39.121663+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T06:41:49.428544+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "13ee123e3ce851f70f5f3470bca73351b9da7aadf3df0da0c91bca0a5e6be6f9", "fetched_at": "2026-08-28T04:03:39.121663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/michiganrobotics/rob311"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:03:39.121663+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:03:39.121663+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:03:39.121663+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T06:41:49.428544+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "13ee123e3ce851f70f5f3470bca73351b9da7aadf3df0da0c91bca0a5e6be6f9", "fetched_at": "2026-08-28T04:03:39.121663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/michiganrobotics/rob311"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:03:39.121663+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:03:39.121663+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T06:41:49.428544+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "13ee123e3ce851f70f5f3470bca73351b9da7aadf3df0da0c91bca0a5e6be6f9", "fetched_at": "2026-08-28T04:03:39.121663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/michiganrobotics/rob311"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T06:41:49.428544+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "13ee123e3ce851f70f5f3470bca73351b9da7aadf3df0da0c91bca0a5e6be6f9", "fetched_at": "2026-08-28T04:03:39.121663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/michiganrobotics/rob311"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T06:41:49.428544+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "13ee123e3ce851f70f5f3470bca73351b9da7aadf3df0da0c91bca0a5e6be6f9", "fetched_at": "2026-08-28T04:03:39.121663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/michiganrobotics/rob311"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T06:41:49.428544+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "13ee123e3ce851f70f5f3470bca73351b9da7aadf3df0da0c91bca0a5e6be6f9", "fetched_at": "2026-08-28T04:03:39.121663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/michiganrobotics/rob311"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 84, "rhythm": 35}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 1176, "days_push": 833, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 29, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}