{"id":13623218,"url":"https://github.com/ilfuriano/smart_intercom","last_synced_at":"2025-04-15T14:32:28.373Z","repository":{"id":93338520,"uuid":"317308914","full_name":"ilfuriano/smart_intercom","owner":"ilfuriano","description":null,"archived":false,"fork":false,"pushed_at":"2020-12-05T12:15:44.000Z","size":390,"stargazers_count":19,"open_issues_count":2,"forks_count":2,"subscribers_count":3,"default_branch":"master","last_synced_at":"2024-11-08T11:45:50.784Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":null,"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/ilfuriano.png","metadata":{"files":{"readme":"README.md","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,"governance":null,"roadmap":null,"authors":null,"dei":null}},"created_at":"2020-11-30T18:18:03.000Z","updated_at":"2024-10-13T13:07:27.000Z","dependencies_parsed_at":"2023-05-03T21:15:23.637Z","dependency_job_id":null,"html_url":"https://github.com/ilfuriano/smart_intercom","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ilfuriano%2Fsmart_intercom","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ilfuriano%2Fsmart_intercom/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ilfuriano%2Fsmart_intercom/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ilfuriano%2Fsmart_intercom/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/ilfuriano","download_url":"https://codeload.github.com/ilfuriano/smart_intercom/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":249089001,"owners_count":21210900,"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":"2024-08-01T21:01:29.272Z","updated_at":"2025-04-15T14:32:27.995Z","avatar_url":"https://github.com/ilfuriano.png","language":null,"funding_links":[],"categories":["Others"],"sub_categories":[],"readme":"# Smart intercom\nSimple and cheap circuit for transform the old intercom into a home assistant compatible smart intercom.\n\n\n### Circuit ([pdf](circuito/circuito_smart.pdf))\nFor the Urmet 1131/1133:\n* 9 -\u003e Buzzer\n* 6 -\u003e GND\n* CA -\u003e electric lock\n\n#### Urmet 1131\n\u003cimg alt=\"Urmet 1131\" src=\"urmet_1131.jpg\" width=\"200\"\u003e\n\n#### Urmet 1133\n\u003cimg alt=\"Urmet 1133\" src=\"urmet_1133.jpg\" width=\"200\"\u003e\n\n\n\n### Components:\n* AC/DC -\u003e LM2596HV AC/DC to DC Buck Step Down Converter Module ([Aliexpress](https://it.aliexpress.com/item/1005001291088100.html?spm=a2g0s.9042311.0.0.27424c4dUYQHFV))\n* Relay -\u003e 1 Channel Relay Module 5V High Level Trigger ([Aliexpress](https://it.aliexpress.com/item/4000356150750.html?spm=a2g0s.9042311.0.0.27424c4dJoKZOi))\n* Optocoupler -\u003e PC817 ([Aliexpress](https://it.aliexpress.com/item/32835155712.html?spm=a2g0s.9042311.0.0.27424c4dppvLpr))\n* ESP8266 MOdule -\u003e Wemos D1 mini\n\nIt's strongly recommended to use a High Level Trigger Relay to avoid accidental opening of the door in the event of blackout.\n\n### Home Assistant / EspHome ([YAML](smart_intercom.yml))\nThere are two entity:\n* **switch** for the door opening\n* **binary_sensor** triggered when the intercom buzzer rings.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Filfuriano%2Fsmart_intercom","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Filfuriano%2Fsmart_intercom","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Filfuriano%2Fsmart_intercom/lists"}