{"adoption": {"forks": 218, "observed_at": "2026-08-28T04:05:30.551881+00:00", "stars": 1744}, "canonical_url": "https://ross.abutalabs.com/products/pico-pio-usb", "card": {"archived": false, "artifact_type": "library", "description": "USB host/device implementation using PIO of raspberry pi pico (RP2040/RP2350).", "domain": ["embedded-systems", "hardware", "developer-tools"], "enriched": true, "function": ["embedded", "sdk"], "health_score": 89, "homepage": null, "language": "C", "license": "MIT", "license_family": "permissive", "maturity": "active", "member_repos": ["sekigon-gonnoc/Pico-PIO-USB"], "name": "sekigon-gonnoc/Pico-PIO-USB", "platform": ["embedded", "cpp", "c"], "pushed_at": "2026-07-22T12:01:32+00:00", "repo": "sekigon-gonnoc/Pico-PIO-USB", "stars": 1744, "tags": ["rp2040", "rp2350", "pio", "usb-host", "usb-device", "raspberry-pi-pico", "tinyusb", "firmware", "driver"], "topics": [], "urls": [], "use_cases": ["add an extra USB host port to an RP2040 microcontroller", "read keyboard and mouse input on a Pico without native USB host support", "build a split keyboard that connects two halves via USB", "implement a USB HID device on a second port of the Pico", "forward HID reports from a host port to a CDC device port", "connect USB hubs and multiple devices to a single RP2040"], "what_it_is": "A C library that implements USB full-speed/low-speed host and device protocols using the PIO (Programmable I/O) blocks of the Raspberry Pi Pico RP2040/RP2350 microcontrollers. It lets developers add extra USB ports to the chip beyond its native USB controller, with support for hubs, multi-port, and HID devices.", "when_to_avoid": ["you need high-speed (HS) USB, which is not supported", "you are not targeting RP2040/RP2350 hardware", "you need a fully certified or production-hardened USB stack with minimal resource usage constraints", "you require USB device functionality without access to an external 1.5kohm pull-up resistor"], "when_to_choose": ["you need more USB ports than the RP2040's single native USB controller provides", "you are building USB host peripherals like keyboards, mice, or HID readers on Pico hardware", "you want a lightweight PIO-based USB stack that integrates with TinyUSB", "you are developing QMK or other embedded firmware for split keyboards"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/pico-pio-usb", "repo": "sekigon-gonnoc/Pico-PIO-USB", "role": "main", "score": 76}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.551881+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:29:29.591401+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3224d41a04d7bfec899298e038db8a1f58448b7ceb6f460b214a36c5ab1b7d54", "fetched_at": "2026-08-28T04:05:30.551881+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sekigon-gonnoc/Pico-PIO-USB"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.551881+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:29:29.591401+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3224d41a04d7bfec899298e038db8a1f58448b7ceb6f460b214a36c5ab1b7d54", "fetched_at": "2026-08-28T04:05:30.551881+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sekigon-gonnoc/Pico-PIO-USB"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:29:29.591401+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3224d41a04d7bfec899298e038db8a1f58448b7ceb6f460b214a36c5ab1b7d54", "fetched_at": "2026-08-28T04:05:30.551881+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sekigon-gonnoc/Pico-PIO-USB"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.551881+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.551881+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.551881+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:29:29.591401+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3224d41a04d7bfec899298e038db8a1f58448b7ceb6f460b214a36c5ab1b7d54", "fetched_at": "2026-08-28T04:05:30.551881+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sekigon-gonnoc/Pico-PIO-USB"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.551881+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.551881+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:29:29.591401+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3224d41a04d7bfec899298e038db8a1f58448b7ceb6f460b214a36c5ab1b7d54", "fetched_at": "2026-08-28T04:05:30.551881+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sekigon-gonnoc/Pico-PIO-USB"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.551881+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.551881+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.551881+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:29:29.591401+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3224d41a04d7bfec899298e038db8a1f58448b7ceb6f460b214a36c5ab1b7d54", "fetched_at": "2026-08-28T04:05:30.551881+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sekigon-gonnoc/Pico-PIO-USB"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.551881+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.551881+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:29:29.591401+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3224d41a04d7bfec899298e038db8a1f58448b7ceb6f460b214a36c5ab1b7d54", "fetched_at": "2026-08-28T04:05:30.551881+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sekigon-gonnoc/Pico-PIO-USB"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:29:29.591401+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3224d41a04d7bfec899298e038db8a1f58448b7ceb6f460b214a36c5ab1b7d54", "fetched_at": "2026-08-28T04:05:30.551881+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sekigon-gonnoc/Pico-PIO-USB"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:29:29.591401+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3224d41a04d7bfec899298e038db8a1f58448b7ceb6f460b214a36c5ab1b7d54", "fetched_at": "2026-08-28T04:05:30.551881+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sekigon-gonnoc/Pico-PIO-USB"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:29:29.591401+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3224d41a04d7bfec899298e038db8a1f58448b7ceb6f460b214a36c5ab1b7d54", "fetched_at": "2026-08-28T04:05:30.551881+00:00", "kind": "readme", "missing": false, "url": "https://github.com/sekigon-gonnoc/Pico-PIO-USB"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 93, "longevity": 100, "rhythm": 40}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 1720, "days_push": 42, "days_rel": 469, "gap_med": 23.0, "n_releases_24m": 3}, "score": 76, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}