{"id":17053084,"url":"https://github.com/bschwind/walkie-talkie","last_synced_at":"2025-06-13T17:32:41.756Z","repository":{"id":140637986,"uuid":"482534363","full_name":"bschwind/walkie-talkie","owner":"bschwind","description":"An ESP32-based walkie-talkie for communicating on bicycle/motorcycle rides","archived":false,"fork":false,"pushed_at":"2022-05-31T12:12:12.000Z","size":256,"stargazers_count":11,"open_issues_count":3,"forks_count":4,"subscribers_count":2,"default_branch":"main","last_synced_at":"2025-06-10T18:20:14.829Z","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":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/bschwind.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,"publiccode":null,"codemeta":null}},"created_at":"2022-04-17T13:44:20.000Z","updated_at":"2025-05-14T05:43:47.000Z","dependencies_parsed_at":null,"dependency_job_id":"52d373d6-5c11-43d0-bb32-60d5a02cfac1","html_url":"https://github.com/bschwind/walkie-talkie","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":"bschwind/esp32-template","purl":"pkg:github/bschwind/walkie-talkie","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/bschwind%2Fwalkie-talkie","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/bschwind%2Fwalkie-talkie/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/bschwind%2Fwalkie-talkie/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/bschwind%2Fwalkie-talkie/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/bschwind","download_url":"https://codeload.github.com/bschwind/walkie-talkie/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/bschwind%2Fwalkie-talkie/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":259688368,"owners_count":22896393,"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":"2024-10-14T10:11:19.046Z","updated_at":"2025-06-13T17:32:41.729Z","avatar_url":"https://github.com/bschwind.png","language":"C","funding_links":[],"categories":[],"sub_categories":[],"readme":"# walkie-talkie\n\nAn ESP32-based walkie-talkie for communicating on bicycle/motorcycle rides\n\n## Clone\n\n* Use the `--recursive` flag when cloning to pick up the ESP-IDF\n\n## Dependencies\n\n* ESP-IDF Tools\n    * `cd esp-idf`\n    * `export IDF_GITHUB_ASSETS=\"dl.espressif.com/github_assets\"`\n    * `./install.sh`\n\n## Parts and Pinouts\n\n### Parts\n\n* 1x ESP32 board\n* 1x INMP441 I2S MEMS microphone\n* 1x PCM5102A I2S DAC\n\n### Mic Wiring\n\n| ESP32  | INMP441 |\n| ------------- | ------------- |\n| 3v3  | VDD  |\n| GND  | GND  |\n| GPIO 32  | SCK (bit clock)  |\n| GPIO 25  | WS (word select)  |\n| GPIO 33  | SD (or is it SO?) (data pin)  |\n| GND  | L/R (left/right select)  |\n\n### Speaker Wiring\n\n| ESP32  | PCM5102A |\n| ------------- | ------------- |\n| 3v3  | VIN  |\n| GND  | GND  |\n| GPIO 4  | BCK (bit clock)  |\n| GPIO 5  | LCK (word select)  |\n| GPIO 18  | DIN (data pin)  |\n| GND  | SCK (left/right select)  |\n\n## Configure\n\n```bash\n$ make menuconfig\n```\n\nor\n\n```bash\n$ idf.py menuconfig\n```\n\n## Build\n\n```bash\n$ make -j8 # Or pick your favorite parallel number\n```\n\nor\n\n```bash\n$ idf.py build\n```\n\n## Run (and see serial output)\n\n```bash\n$ make -j8 flash monitor\n```\n\nor\n\n```bash\n$ idf.py flash monitor\n```\n\n## Monitor Serial Output\n\n```bash\n$ make monitor\n```\n\nor\n\n```bash\n$ idf.py monitor\n```\n\nExit with `Ctrl + ]`.\n\n## Erase Flash\n\n```bash\n$ make erase_flash\n```\n\nor\n\n```bash\n$ idf.py erase-flash\n```\n\n## Code Format\n-----------\n\n`clang-format` is used for code formatting.\n\n```bash\n$ make format\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbschwind%2Fwalkie-talkie","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fbschwind%2Fwalkie-talkie","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbschwind%2Fwalkie-talkie/lists"}