BT785: verschil tussen versies
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{{Project | |||
|Name=BT785 | |||
|Picture=bt785.png | |||
|Omschrijving=Connecting a BT785 EC meter to raspberry pi | |||
|Status=In progress | |||
|Contact=bertrik | |||
}} | |||
== Introduction == | == Introduction == | ||
This page is about reverse engineering the BT-785, an inexpensive Tuya-compatible water electrical conductivity (EC) meter. | This page is about reverse engineering the BT-785, an inexpensive Tuya-compatible water electrical conductivity (EC) meter. | ||
Versie van 12 okt 2025 08:29
| Project BT785 | |
|---|---|
| |
| Connecting a BT785 EC meter to raspberry pi | |
| Status | In progress |
| Contact | bertrik |
| Last Update | 2025-10-12 |
Introduction
This page is about reverse engineering the BT-785, an inexpensive Tuya-compatible water electrical conductivity (EC) meter. It measures EC and temperature, and has a display and communicates its reading over Bluetooth Low-Energy (BLE) to the Tuya app on a phone. The goal is to understand the communication protocol so we can communicate with it from the raspberry pi in the Karaburan project.
Analysis
On the lowest level, it uses bluetooth low-level with the GATT profile:
