{"id":15707535,"url":"https://github.com/yozik04/pymh-z19b","last_synced_at":"2025-03-30T16:16:01.074Z","repository":{"id":57456144,"uuid":"166224318","full_name":"yozik04/pymh-z19b","owner":"yozik04","description":null,"archived":false,"fork":false,"pushed_at":"2019-01-23T14:36:10.000Z","size":22,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":3,"default_branch":"master","last_synced_at":"2025-03-04T07:40:31.044Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"Python","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/yozik04.png","metadata":{"files":{"readme":"README.rst","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":"2019-01-17T12:44:43.000Z","updated_at":"2019-01-23T14:36:11.000Z","dependencies_parsed_at":"2022-09-02T08:30:47.963Z","dependency_job_id":null,"html_url":"https://github.com/yozik04/pymh-z19b","commit_stats":null,"previous_names":[],"tags_count":5,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/yozik04%2Fpymh-z19b","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/yozik04%2Fpymh-z19b/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/yozik04%2Fpymh-z19b/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/yozik04%2Fpymh-z19b/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/yozik04","download_url":"https://codeload.github.com/yozik04/pymh-z19b/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":246342994,"owners_count":20761947,"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":[],"created_at":"2024-10-03T20:40:44.120Z","updated_at":"2025-03-30T16:16:01.056Z","avatar_url":"https://github.com/yozik04.png","language":"Python","funding_links":[],"categories":[],"sub_categories":[],"readme":"===================================================\n MH_Z19B CO2 Sensor Serial interface |build-status|\n===================================================\n\nThis package is ment to be used to read data from MH_Z19B CO2 Sensor via serial. Sensor can be bought on AliExpress for around 18€ (Jan 2019)\n\nIt is recommended to disable Auto calibration and set measuring range to 5000 to get adequate readings after first day of use.\n\nRequirements:\n==============\n\nYou need a USB to TTL adapter to read data from the sensor. I use Prolific Technology PL2303 adapter plugged into my router.\nRouter runs a python script with this library that reads metrics periodically and sends it via MQTT.\n\nPython 3.5+\n\nInstallation:\n==============\n\n.. code-block:: shell\n\n    pip3 install pymh-z19b-serial\n\nLibrary Usage examples:\n========================\n\nIt is possible to use sync and async way to read from the sensor\n\nSync\n-----\n\nUses `pyserial`\n\n.. code-block:: python\n\n    from mh_z19b.sync import Sensor\n\n    sensor = Sensor(port='/dev/cu.usbserial', baudrate=9600)\n    print(sensor.read_metric())\n\n\nAsync\n------\n\nUses `asyncio` and `pyserial-asyncio`\n\n.. code-block:: python\n\n    import asyncio\n\n    from mh_z19b.async import Sensor\n\n    async def run(loop):\n        sensor = Sensor(loop)\n        await sensor.open_serial(url='/dev/cu.usbserial', baudrate=9600)\n        data = await sensor.read_metric()\n        print(data)\n\n    loop = asyncio.get_event_loop()\n    loop.set_debug(True)\n    loop.run_until_complete(run(loop))\n    loop.close()\n\n\n\n.. |build-status| image:: https://travis-ci.org/yozik04/pymh-z19b.svg?branch=master\n   :target: https://travis-ci.org/yozik04/pymh-z19b\n   :alt: Build status\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fyozik04%2Fpymh-z19b","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fyozik04%2Fpymh-z19b","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fyozik04%2Fpymh-z19b/lists"}