{"id":16358705,"url":"https://github.com/hertzg/metekcity","last_synced_at":"2025-03-23T01:32:13.129Z","repository":{"id":43834949,"uuid":"292727225","full_name":"hertzg/metekcity","owner":"hertzg","description":"ETEKCITY smart nutrition scale protocol reverse 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Status](https://img.shields.io/endpoint.svg?url=https%3A%2F%2Factions-badge.atrox.dev%2Fhertzg%2Fetekcity%2Fbadge%3Fref%3Dmaster\u0026style=flat)](https://actions-badge.atrox.dev/hertzg/etekcity/goto?ref=master)\n[![codecov](https://codecov.io/gh/hertzg/node-net-keepalive/branch/master/graph/badge.svg)](https://codecov.io/gh/hertzg/node-net-keepalive)\n\n# ETEKCITY Smart Nutrition Scale\n\n:warning: Very much work in progress :warning:\n\nThis is a potential project that tries to reverse engineer the BLE protocol that ETEKCITY Smart Nutrition Scale (ESN00)\nuses.\n\n[ETEKCITY Smart Nutrition Scale (ESN00)](https://www.etekcity.com/product/100334) ([DE](https://www.amazon.de/gp/product/B07RJV9QPF)\n| [US](https://www.amazon.com/Etekcity-ESN00-Nutrition-Counting-Bluetooth/dp/B07FCZSC41))\n\n![](https://image.etekcity.com/thumb/201810/28/7f248c75a139b66b9d0e6b081c25a0a1.jpg)\n\n## BLE Protocol\n\nThis section describes the protocol (what was researched so far)\n\n### BLE Services \u0026 Characteristics\n\n```text\n\u003e Service: 00001910-0000-1000-8000-00805f9b34fb\n\u003e\u003e Characteristic: 00002c10-0000-1000-8000-00805f9b34fb [READ]\n\u003e\u003e Characteristic: 00002c11-0000-1000-8000-00805f9b34fb [WRITEWITHOUTRESPONSE, WRITE]\n\u003e\u003e Characteristic: 00002c12-0000-1000-8000-00805f9b34fb [NOTIFY, INDICATE]\n\u003e Service: 0000180a-0000-1000-8000-00805f9b34fb\n\u003e\u003e Characteristic: 00002a23-0000-1000-8000-00805f9b34fb [READ]\n\u003e\u003e Characteristic: 00002a50-0000-1000-8000-00805f9b34fb [READ]\n\u003e Service: 00001800-0000-1000-8000-00805f9b34fb\n\u003e\u003e Characteristic: 00002a00-0000-1000-8000-00805f9b34fb [READ]\n\u003e\u003e Characteristic: 00002a01-0000-1000-8000-00805f9b34fb [READ]\n```\n\nCommunication happens on service `0x1910`, device to client communication happens on `0x2c12` characteristic and client\nto device communication on `0x2c12`\n\n## Protocol\n\nAll packets have this structure\n\n### Packet\n\n![](https://kroki.io/packetdiag/svg/eNorSEzOTi1JyUxMV6jmUlAw0DW2UvBITUxJLbJWQAL6-grO-XnFJYl5JVYKBhVpqalpyQaJRkAdJlYKIZUFqQrRRfkliSWptkbmBrHWEB0BYLPB0kCFplYKPql56SUZaEqBCl0SSxKBkkA5oDotCDc6JzXP1jTWGtkJIAmwCmcPbwwLIY7MSE3OLi7N5arlAgALMjve)\n\n#### Structure: Data\n\n[Payload structure is defined in esn00-packet README](packages/esn00-packet/README.md)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fhertzg%2Fmetekcity","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fhertzg%2Fmetekcity","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fhertzg%2Fmetekcity/lists"}