ETEKCITY-Smart-Nutrition-Scale-ESN00

ETEKCITY smart nutrition scale protocol reverse engneering

In the iOS app, we have successfully implemented the functionality to read weight from the Etekcity Smart Scale. The WeightScaleManager class handles the BLE communication, and the data packets follow the structure outlined in the protocol section.

BLE Protocol

This section provides information on the researched BLE protocol:

BLE Services & Characteristics

> Service: 00001910-0000-1000-8000-00805f9b34fb
>> Characteristic: 00002c10-0000-1000-8000-00805f9b34fb [READ]
>> Characteristic: 00002c11-0000-1000-8000-00805f9b34fb [WRITEWITHOUTRESPONSE, WRITE]
>> Characteristic: 00002c12-0000-1000-8000-00805f9b34fb [NOTIFY, INDICATE]
> Service: 0000180a-0000-1000-8000-00805f9b34fb
>> Characteristic: 00002a23-0000-1000-8000-00805f9b34fb [READ]
>> Characteristic: 00002a50-0000-1000-8000-00805f9b34fb [READ]
> Service: 00001800-0000-1000-8000-00805f9b34fb
>> Characteristic: 00002a00-0000-1000-8000-00805f9b34fb [READ]
>> Characteristic: 00002a01-0000-1000-8000-00805f9b34fb [READ]

Protocol

All packets have this structure

Packet

Inspired by This project was inspired by the work in the metekcity repository. Special thanks to the original contributors for laying the foundation.