{"id":16277984,"url":"https://github.com/rpidanny/wireless-doorbell-clone","last_synced_at":"2026-04-29T12:33:27.365Z","repository":{"id":80496590,"uuid":"150630782","full_name":"rpidanny/wireless-doorbell-clone","owner":"rpidanny","description":"Reverse engineering Grundig Wireless Doorbell","archived":false,"fork":false,"pushed_at":"2018-10-05T08:00:21.000Z","size":2393,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-04-08T17:31:27.249Z","etag":null,"topics":["arduino","esp32","micropython","reverse-engineering","sdr","software-defined-radio","wireless"],"latest_commit_sha":null,"homepage":"","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/rpidanny.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}},"created_at":"2018-09-27T18:27:31.000Z","updated_at":"2018-10-05T08:00:23.000Z","dependencies_parsed_at":null,"dependency_job_id":"353d3d26-68d8-42a1-a3a5-e57d8af8ca10","html_url":"https://github.com/rpidanny/wireless-doorbell-clone","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/rpidanny/wireless-doorbell-clone","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/rpidanny%2Fwireless-doorbell-clone","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/rpidanny%2Fwireless-doorbell-clone/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/rpidanny%2Fwireless-doorbell-clone/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/rpidanny%2Fwireless-doorbell-clone/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/rpidanny","download_url":"https://codeload.github.com/rpidanny/wireless-doorbell-clone/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/rpidanny%2Fwireless-doorbell-clone/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":32426579,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-29T12:24:25.982Z","status":"ssl_error","status_checked_at":"2026-04-29T12:24:24.439Z","response_time":110,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"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":["arduino","esp32","micropython","reverse-engineering","sdr","software-defined-radio","wireless"],"created_at":"2024-10-10T18:56:56.701Z","updated_at":"2026-04-29T12:33:27.349Z","avatar_url":"https://github.com/rpidanny.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Wireless Doorbell Clone\n\n![alt text](grundig.jpeg)\n\nReverse engineering a [Grundig QH-831A wireless doorbell](https://www.coolblue.nl/product/764783/grundig-draadloze-deurbel-1-ontvanger-netstroom.html) and cloning it's remote so that it can be triggered remotely.\n\nObviously to prank some unsuspecting victims :grin:\n\nSee the [QH831A.md](QH831A.md) file for the reverse engineered data frame of the remote.\n\n## Requirements\n\n### Hardware\n\n* A Software Defined Radio\n* Arduino or MicroPython Compatible Board\n* [433 Mhz ASK transmitter](https://www.seeedstudio.com/433MHz-ASK-OOK-Transmitter-module-p-2206.html)\n\n### Software\n\n* [GQRX](https://github.com/csete/gqrx)\n* [Audacity](https://www.audacityteam.org)\n* [Arduino IDE](https://www.arduino.cc/en/Main/Software)\n\n## Usage\n\n### Arduino\n\nFlash the contents of `firmware/arduino/remote-trigger` to your arduino board.\n\n### MicroPython\n\nFlash the contents of `firmware/micropython/remote-trigger` to your arduino board.\n\n## License\n\nThis project is licensed under the MIT License - 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