{"adoption": {"forks": 150, "observed_at": "2026-09-03T02:15:11.631720+00:00", "stars": 1004}, "canonical_url": "https://ross.abutalabs.com/products/ems-esp32", "card": {"archived": false, "artifact_type": "application", "description": "ESP32 firmware to read and control EMS and Heatronic compatible equipment such as boilers, thermostats, solar modules, and heat pumps", "domain": ["iot", "embedded-systems", "self-hosted"], "enriched": true, "function": ["iot", "monitoring", "workflow-automation", "http-server"], "health_score": 100, "homepage": "https://emsesp.org", "language": "C++", "license": "LGPL-3.0", "license_family": "copyleft", "maturity": "active", "member_repos": ["emsesp/EMS-ESP32"], "name": "emsesp/EMS-ESP32", "platform": ["embedded", "iot"], "pushed_at": "2026-08-31T06:27:55+00:00", "repo": "emsesp/EMS-ESP32", "stars": 1004, "tags": ["esp32-firmware", "ems-bus", "heating-systems", "boiler-control", "home-assistant", "modbus", "prometheus", "reverse-engineered-protocol", "mqtt", "home-automation"], "topics": ["mqtt", "esp32", "thermostat", "boiler", "ems", "solar", "heatpump", "buderus", "bosch", "junkers", "ht3", "home-assistant", "iot", "home-automation"], "urls": [], "use_cases": ["monitor and control my Buderus boiler from Home Assistant", "read thermostat and boiler data over the EMS bus", "integrate a Bosch heat pump with MQTT", "control heating system remotely with ESP32", "log solar module and boiler temperatures in Prometheus", "simulate a remote thermostat like RC100H", "automate heating schedules with a scheduler"], "what_it_is": "EMS-ESP is open-source firmware for the ESP32 microcontroller that communicates with EMS and Heatronic compatible heating equipment from Bosch, Buderus, Nefit, Junkers, Worcester and other brands. It reads and controls boilers, thermostats, heat pumps, and solar modules, exposing them via a web UI, MQTT, REST API, Modbus, and native Home Assistant integration.", "when_to_avoid": ["your heating system does not use the EMS or Heatronic bus protocol", "you are unwilling to build or buy an EMS bus interface circuit in addition to an ESP32 board", "you need an officially supported, warranty-safe solution from the boiler manufacturer"], "when_to_choose": ["you own EMS or Heatronic compatible equipment (Bosch, Buderus, Nefit, Junkers, Worcester, Sieger) and want smart-home integration", "you want MQTT, REST, Modbus, or Home Assistant access to heating data without cloud services", "you need a self-hosted, actively maintained firmware with a web UI and broad device support (130+ devices)"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/ems-esp32", "repo": "emsesp/EMS-ESP32", "role": "main", "score": 94}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-09-03T02:15:11.631720+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T07:16:06.087593+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c48eb67ae073f1254a1c290c0ee6209e0b8e23632737ced76d4509278b21457a", "fetched_at": "2026-09-03T02:15:11.631720+00:00", "kind": "readme", "missing": false, "url": "https://github.com/emsesp/EMS-ESP32"}, {"content_hash": "0f5836bc9505f4454f58694e1a351937b853993df678450364950a514a6066fd", "fetched_at": "2026-08-29T13:14:06.306955+00:00", "kind": "homepage", "missing": false, "url": "https://emsesp.org"}, {"content_hash": "4d77f71f5bbb94326de8c21862e80b8d7f6cc2885fc871660822342635da475c", "fetched_at": "2026-08-29T13:14:06.309750+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Getting-Started"}, {"content_hash": "bd036133dc3b953a8e1f8f45bf59b1451d1c33bb3f13e4fece1a44bf11f93935", "fetched_at": "2026-08-29T13:14:06.311762+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Installing"}, {"content_hash": "0470dbee7b8b7254352bbe5ea90c2005345c2f1361366f0414d94cab57ae0835", "fetched_at": "2026-08-29T13:14:06.315770+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/About"}, {"content_hash": "e99eb1eeed7ba48d205f2109aeb3ec2c41ad747368a34cee4441d8ddf3eb7cdb", "fetched_at": "2026-08-29T13:14:06.313796+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/FAQ"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-09-03T02:15:11.631720+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T07:16:06.087593+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c48eb67ae073f1254a1c290c0ee6209e0b8e23632737ced76d4509278b21457a", "fetched_at": "2026-09-03T02:15:11.631720+00:00", "kind": "readme", "missing": false, "url": "https://github.com/emsesp/EMS-ESP32"}, {"content_hash": "0f5836bc9505f4454f58694e1a351937b853993df678450364950a514a6066fd", "fetched_at": "2026-08-29T13:14:06.306955+00:00", "kind": "homepage", "missing": false, "url": "https://emsesp.org"}, {"content_hash": "4d77f71f5bbb94326de8c21862e80b8d7f6cc2885fc871660822342635da475c", "fetched_at": "2026-08-29T13:14:06.309750+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Getting-Started"}, {"content_hash": "bd036133dc3b953a8e1f8f45bf59b1451d1c33bb3f13e4fece1a44bf11f93935", "fetched_at": "2026-08-29T13:14:06.311762+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Installing"}, {"content_hash": "0470dbee7b8b7254352bbe5ea90c2005345c2f1361366f0414d94cab57ae0835", "fetched_at": "2026-08-29T13:14:06.315770+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/About"}, {"content_hash": "e99eb1eeed7ba48d205f2109aeb3ec2c41ad747368a34cee4441d8ddf3eb7cdb", "fetched_at": "2026-08-29T13:14:06.313796+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/FAQ"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T07:16:06.087593+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c48eb67ae073f1254a1c290c0ee6209e0b8e23632737ced76d4509278b21457a", "fetched_at": "2026-09-03T02:15:11.631720+00:00", "kind": "readme", "missing": false, "url": "https://github.com/emsesp/EMS-ESP32"}, {"content_hash": "0f5836bc9505f4454f58694e1a351937b853993df678450364950a514a6066fd", "fetched_at": "2026-08-29T13:14:06.306955+00:00", "kind": "homepage", "missing": false, "url": "https://emsesp.org"}, {"content_hash": "4d77f71f5bbb94326de8c21862e80b8d7f6cc2885fc871660822342635da475c", "fetched_at": "2026-08-29T13:14:06.309750+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Getting-Started"}, {"content_hash": "bd036133dc3b953a8e1f8f45bf59b1451d1c33bb3f13e4fece1a44bf11f93935", "fetched_at": "2026-08-29T13:14:06.311762+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Installing"}, {"content_hash": "0470dbee7b8b7254352bbe5ea90c2005345c2f1361366f0414d94cab57ae0835", "fetched_at": "2026-08-29T13:14:06.315770+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/About"}, {"content_hash": "e99eb1eeed7ba48d205f2109aeb3ec2c41ad747368a34cee4441d8ddf3eb7cdb", "fetched_at": "2026-08-29T13:14:06.313796+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/FAQ"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-09-03T02:15:11.631720+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-09-03T02:15:11.631720+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-09-03T02:15:11.631720+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T07:16:06.087593+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c48eb67ae073f1254a1c290c0ee6209e0b8e23632737ced76d4509278b21457a", "fetched_at": "2026-09-03T02:15:11.631720+00:00", "kind": "readme", "missing": false, "url": "https://github.com/emsesp/EMS-ESP32"}, {"content_hash": "0f5836bc9505f4454f58694e1a351937b853993df678450364950a514a6066fd", "fetched_at": "2026-08-29T13:14:06.306955+00:00", "kind": "homepage", "missing": false, "url": "https://emsesp.org"}, {"content_hash": "4d77f71f5bbb94326de8c21862e80b8d7f6cc2885fc871660822342635da475c", "fetched_at": "2026-08-29T13:14:06.309750+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Getting-Started"}, {"content_hash": "bd036133dc3b953a8e1f8f45bf59b1451d1c33bb3f13e4fece1a44bf11f93935", "fetched_at": "2026-08-29T13:14:06.311762+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Installing"}, {"content_hash": "0470dbee7b8b7254352bbe5ea90c2005345c2f1361366f0414d94cab57ae0835", "fetched_at": "2026-08-29T13:14:06.315770+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/About"}, {"content_hash": "e99eb1eeed7ba48d205f2109aeb3ec2c41ad747368a34cee4441d8ddf3eb7cdb", "fetched_at": "2026-08-29T13:14:06.313796+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/FAQ"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-09-03T02:15:11.631720+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-09-03T02:15:11.631720+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T07:16:06.087593+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c48eb67ae073f1254a1c290c0ee6209e0b8e23632737ced76d4509278b21457a", "fetched_at": "2026-09-03T02:15:11.631720+00:00", "kind": "readme", "missing": false, "url": "https://github.com/emsesp/EMS-ESP32"}, {"content_hash": "0f5836bc9505f4454f58694e1a351937b853993df678450364950a514a6066fd", "fetched_at": "2026-08-29T13:14:06.306955+00:00", "kind": "homepage", "missing": false, "url": "https://emsesp.org"}, {"content_hash": "4d77f71f5bbb94326de8c21862e80b8d7f6cc2885fc871660822342635da475c", "fetched_at": "2026-08-29T13:14:06.309750+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Getting-Started"}, {"content_hash": "bd036133dc3b953a8e1f8f45bf59b1451d1c33bb3f13e4fece1a44bf11f93935", "fetched_at": "2026-08-29T13:14:06.311762+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Installing"}, {"content_hash": "0470dbee7b8b7254352bbe5ea90c2005345c2f1361366f0414d94cab57ae0835", "fetched_at": "2026-08-29T13:14:06.315770+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/About"}, {"content_hash": "e99eb1eeed7ba48d205f2109aeb3ec2c41ad747368a34cee4441d8ddf3eb7cdb", "fetched_at": "2026-08-29T13:14:06.313796+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/FAQ"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-09-03T02:15:11.631720+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-09-03T02:15:11.631720+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-09-03T02:15:11.631720+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T07:16:06.087593+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c48eb67ae073f1254a1c290c0ee6209e0b8e23632737ced76d4509278b21457a", "fetched_at": "2026-09-03T02:15:11.631720+00:00", "kind": "readme", "missing": false, "url": "https://github.com/emsesp/EMS-ESP32"}, {"content_hash": "0f5836bc9505f4454f58694e1a351937b853993df678450364950a514a6066fd", "fetched_at": "2026-08-29T13:14:06.306955+00:00", "kind": "homepage", "missing": false, "url": "https://emsesp.org"}, {"content_hash": "4d77f71f5bbb94326de8c21862e80b8d7f6cc2885fc871660822342635da475c", "fetched_at": "2026-08-29T13:14:06.309750+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Getting-Started"}, {"content_hash": "bd036133dc3b953a8e1f8f45bf59b1451d1c33bb3f13e4fece1a44bf11f93935", "fetched_at": "2026-08-29T13:14:06.311762+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Installing"}, {"content_hash": "0470dbee7b8b7254352bbe5ea90c2005345c2f1361366f0414d94cab57ae0835", "fetched_at": "2026-08-29T13:14:06.315770+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/About"}, {"content_hash": "e99eb1eeed7ba48d205f2109aeb3ec2c41ad747368a34cee4441d8ddf3eb7cdb", "fetched_at": "2026-08-29T13:14:06.313796+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/FAQ"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-09-03T02:15:11.631720+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-09-03T02:15:11.631720+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T07:16:06.087593+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c48eb67ae073f1254a1c290c0ee6209e0b8e23632737ced76d4509278b21457a", "fetched_at": "2026-09-03T02:15:11.631720+00:00", "kind": "readme", "missing": false, "url": "https://github.com/emsesp/EMS-ESP32"}, {"content_hash": "0f5836bc9505f4454f58694e1a351937b853993df678450364950a514a6066fd", "fetched_at": "2026-08-29T13:14:06.306955+00:00", "kind": "homepage", "missing": false, "url": "https://emsesp.org"}, {"content_hash": "4d77f71f5bbb94326de8c21862e80b8d7f6cc2885fc871660822342635da475c", "fetched_at": "2026-08-29T13:14:06.309750+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Getting-Started"}, {"content_hash": "bd036133dc3b953a8e1f8f45bf59b1451d1c33bb3f13e4fece1a44bf11f93935", "fetched_at": "2026-08-29T13:14:06.311762+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Installing"}, {"content_hash": "0470dbee7b8b7254352bbe5ea90c2005345c2f1361366f0414d94cab57ae0835", "fetched_at": "2026-08-29T13:14:06.315770+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/About"}, {"content_hash": "e99eb1eeed7ba48d205f2109aeb3ec2c41ad747368a34cee4441d8ddf3eb7cdb", "fetched_at": "2026-08-29T13:14:06.313796+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/FAQ"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T07:16:06.087593+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c48eb67ae073f1254a1c290c0ee6209e0b8e23632737ced76d4509278b21457a", "fetched_at": "2026-09-03T02:15:11.631720+00:00", "kind": "readme", "missing": false, "url": "https://github.com/emsesp/EMS-ESP32"}, {"content_hash": "0f5836bc9505f4454f58694e1a351937b853993df678450364950a514a6066fd", "fetched_at": "2026-08-29T13:14:06.306955+00:00", "kind": "homepage", "missing": false, "url": "https://emsesp.org"}, {"content_hash": "4d77f71f5bbb94326de8c21862e80b8d7f6cc2885fc871660822342635da475c", "fetched_at": "2026-08-29T13:14:06.309750+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Getting-Started"}, {"content_hash": "bd036133dc3b953a8e1f8f45bf59b1451d1c33bb3f13e4fece1a44bf11f93935", "fetched_at": "2026-08-29T13:14:06.311762+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Installing"}, {"content_hash": "0470dbee7b8b7254352bbe5ea90c2005345c2f1361366f0414d94cab57ae0835", "fetched_at": "2026-08-29T13:14:06.315770+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/About"}, {"content_hash": "e99eb1eeed7ba48d205f2109aeb3ec2c41ad747368a34cee4441d8ddf3eb7cdb", "fetched_at": "2026-08-29T13:14:06.313796+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/FAQ"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T07:16:06.087593+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c48eb67ae073f1254a1c290c0ee6209e0b8e23632737ced76d4509278b21457a", "fetched_at": "2026-09-03T02:15:11.631720+00:00", "kind": "readme", "missing": false, "url": "https://github.com/emsesp/EMS-ESP32"}, {"content_hash": "0f5836bc9505f4454f58694e1a351937b853993df678450364950a514a6066fd", "fetched_at": "2026-08-29T13:14:06.306955+00:00", "kind": "homepage", "missing": false, "url": "https://emsesp.org"}, {"content_hash": "4d77f71f5bbb94326de8c21862e80b8d7f6cc2885fc871660822342635da475c", "fetched_at": "2026-08-29T13:14:06.309750+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Getting-Started"}, {"content_hash": "bd036133dc3b953a8e1f8f45bf59b1451d1c33bb3f13e4fece1a44bf11f93935", "fetched_at": "2026-08-29T13:14:06.311762+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Installing"}, {"content_hash": "0470dbee7b8b7254352bbe5ea90c2005345c2f1361366f0414d94cab57ae0835", "fetched_at": "2026-08-29T13:14:06.315770+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/About"}, {"content_hash": "e99eb1eeed7ba48d205f2109aeb3ec2c41ad747368a34cee4441d8ddf3eb7cdb", "fetched_at": "2026-08-29T13:14:06.313796+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/FAQ"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T07:16:06.087593+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c48eb67ae073f1254a1c290c0ee6209e0b8e23632737ced76d4509278b21457a", "fetched_at": "2026-09-03T02:15:11.631720+00:00", "kind": "readme", "missing": false, "url": "https://github.com/emsesp/EMS-ESP32"}, {"content_hash": "0f5836bc9505f4454f58694e1a351937b853993df678450364950a514a6066fd", "fetched_at": "2026-08-29T13:14:06.306955+00:00", "kind": "homepage", "missing": false, "url": "https://emsesp.org"}, {"content_hash": "4d77f71f5bbb94326de8c21862e80b8d7f6cc2885fc871660822342635da475c", "fetched_at": "2026-08-29T13:14:06.309750+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Getting-Started"}, {"content_hash": "bd036133dc3b953a8e1f8f45bf59b1451d1c33bb3f13e4fece1a44bf11f93935", "fetched_at": "2026-08-29T13:14:06.311762+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/Installing"}, {"content_hash": "0470dbee7b8b7254352bbe5ea90c2005345c2f1361366f0414d94cab57ae0835", "fetched_at": "2026-08-29T13:14:06.315770+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/About"}, {"content_hash": "e99eb1eeed7ba48d205f2109aeb3ec2c41ad747368a34cee4441d8ddf3eb7cdb", "fetched_at": "2026-08-29T13:14:06.313796+00:00", "kind": "site_page", "missing": false, "url": "https://emsesp.org/FAQ"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 100, "longevity": 100, "rhythm": 84}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 1998, "days_push": 2, "days_rel": 29, "gap_med": 81, "n_releases_24m": 8}, "score": 94, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 3, "stale_scrape": false}}