{"id":30963890,"url":"https://github.com/milescb/plantmonitor","last_synced_at":"2025-09-11T21:52:46.228Z","repository":{"id":311535770,"uuid":"1043983962","full_name":"milescb/PlantMonitor","owner":"milescb","description":"Arduino library for integration with plant monitoring website rain.crabdance.com","archived":false,"fork":false,"pushed_at":"2025-08-25T02:41:42.000Z","size":18,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"main","last_synced_at":"2025-08-25T05:51:24.122Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"gpl-3.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/milescb.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","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,"zenodo":null}},"created_at":"2025-08-25T02:33:59.000Z","updated_at":"2025-08-25T02:41:44.000Z","dependencies_parsed_at":"2025-08-25T06:03:46.891Z","dependency_job_id":null,"html_url":"https://github.com/milescb/PlantMonitor","commit_stats":null,"previous_names":["milescb/plantmonitor"],"tags_count":null,"template":false,"template_full_name":null,"purl":"pkg:github/milescb/PlantMonitor","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/milescb%2FPlantMonitor","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/milescb%2FPlantMonitor/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/milescb%2FPlantMonitor/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/milescb%2FPlantMonitor/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/milescb","download_url":"https://codeload.github.com/milescb/PlantMonitor/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/milescb%2FPlantMonitor/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":274712631,"owners_count":25335926,"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","status":"online","status_checked_at":"2025-09-11T02:00:13.660Z","response_time":74,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"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":"2025-09-11T21:52:44.106Z","updated_at":"2025-09-11T21:52:46.217Z","avatar_url":"https://github.com/milescb.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Plant Monitor \n\nAn Arduino library for home temperature and humidity measurements with a DHT sensor and plant moisture level measurements with a capacitive moisture sensor. Measurements are sent via MQTT to any host where MQTT messages can be sent. \n\nThis library is used for obtaining readings on [rain.crabdance.com](https://rain.crabdance.com). \n\n## Requirements\n\n### Hardware\n\n- ESP8266 dev board\n- CD4051BE multiplexer\n- Breadboard / jumper cables etc.\n\n### Software\n\n- Arduino IDE\n- ESP8266 board software and drivers\n\n## Wiring the device\n\n### ESP8266 to DHT Sensor\n\n| ESP8266 Pin | DHT Pin | Description |\n|-------------|---------|-------------|\n| D4          | Out     | Data signal |\n| G           | -       | Ground      |\n| 3.3V        | +       | Power       |\n\n### ESP8266 to CD4051BE Multiplexer\n\n| ESP8266 Pin | CD4051BE Pin | Description        |\n|-------------|--------------|-------------------|\n| D0          | S0 (A)       | Address bit A     |\n| D1          | S1 (B)       | Address bit B     |\n| D2          | S2 (C)       | Address bit C     |\n| A0          | Common       | Analog input      |\n| 3.3V        | VCC          | Power             |\n| G           | GND          | Ground            |\n| G           | Inhibit      | Disable (tie low) |\n| G           | VEE          | Negative supply   |  \n\nConnect the capacitive moisture sensors to any of the I/O channels of the multiplexer as well as ground and 3.3v as appropriate. \n\n## Configuration\n\nSee the BasicUsage.ino script for detailed configuration. \nFor calibrating the max dry and wet readings, take a few measurements with the sensor in air and with water and mark these down. 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