Added firmware for MHO-C401 (old). 2. This repository hosts the We’re flashing the popular Xiaomi LYWSD03MMC temperature/humidity sensor with Zigbee firmware Integrate your Custom devices (DiY) LYWSD03MMC via Zigbee2MQTT with whatever smart home infrastructure you are using without LYWSD03MMC-z Since version v0120 of pvvx’s ZigbeeTlc firmware it appears the device is identified as LYWSD03MMC-z to differentiate it from the If you own the Xiaomi LYWSD03MMC BLE temp sensor, you can now flash a custom firmware to convert the device from Bluetooth to Zigbee! The Zigbee Added firmware for TH03. This tool will let anyone within Bluetooth range flash whatever they want to the Xiaomi LYWSD03MMC, regardless of whether Tuesday, 15 April 2025 Zigbeeifying Xiaomi LYWSD03MMC temperature sensors I asked for recommendations for good Zigbee temperature sensors, and lots of people recommended the This guide describes how I got the Xiaomi Mijia LYWSD03MMC Temperature and Humidity sensors working in September 2022 (updated Dec 2024). They must first be associated with the Xiaomi app and then the USB to serial adapter recommendation (affiliate links): Flashing Xiaomi LYWSD03MMC Bluetooth using serial to USB adapter if you want to This document provides technical information and guides for the Xiaomi Smart LCD Screen Digital Thermometer 2, also known as the Mijia Bluetooth Temperature Humidity Sensor (Model: The LYWSD03MMC is a Bluetooth temperature and humidity sensor that can be integrated into a Zigbee network using this firmware. 4. Works with Hardware version These sensors came with a fairly new firmware, which unfortunately complicates the over-the-air firmware update process. I am using the stock firmware, with the Passive BLE Monitor custom Hey, I flashed few of my Xiaomi LYWSD03MMC thermometers with ATC firmware which was working pretty well for a while, but their screens and Z2M reporting started to freeze time to time. 0159) is locked down, meaning a Xiaomi account is needed to be able to access your In "TelinkOTA. This should Currently, it supports the Xiaomi Mijia (LYWSD03MMC) (BLE + Zigbee), with the ATC441 protocol enabled, flashed with a custom firmware. This is likely I have several (5) Xiaomi BLE (MiTemp) sensors (LYWSD03MMC) that have been working great for years now in HomeAssistant. 1_0159c. Added firmware for ZY-ZTH02, ZG-227Z. html", select the file "Original_OTA_Xiaomi_LYWSD03MMC_v2. Some information was different from what I Unfortunately, it does. Ver 0. Telink Flasher to convert Xiaomi Bluetooth sensors to Zigbee We will begin by flashing the ATC OTA firmware, this is needed before Custom firmware for the Xiaomi Thermometers and Telink Flasher via USB to Serial converter - bentolor/xiaomi-mijia-bluetooth-firmware I recently installed the Xiaomi temperature and humidity sensor using the PVVX Custom Firmware. Prevent Flasher 2. Added firmware for LKTMZL02. The custom firmware can be flashed from here Troubleshooting make sure the Xiaomi sensor is close to the Bluetooth radio use a full battery, if its lower than 40% flashing could fail and brick the device if the sensor disconnects mid flash (for me it . 1. Removing, Convert Xiaomi LYWSD03MMC BLE Sensor to Zigbee How to convert the Xiaomi LYWSD03MMC Bluetooth Sensor to Zigbee by flashing a USB to serial adapter recommendation (affiliate links): Flashing Xiaomi LYWSD03MMC Bluetooth using serial to USB adapter if you want to revert back to Bluetooth firmware or you have issues with Flashing Xiaomi Temperature and Humidity Sensor with Custom Firmware To use the Xiaomi Temperature and Humidity Bluetooth sensor with Custom firmware for the Xiaomi Thermometer LYWSD03MMC and Telink Flasher via USB to Serial converter - motorello/MiThermometer But it is possible to work LYWSD03MMC with 'Xiaomi Gateway 3' by first registering in MiHome on the official firmware, flashing to custom firmware with restoring There's just one problem, the firmware on new devices (version 2. bin", Connect and run OTA. In this guide we will use the Pvvx ZigbeeTLc firmware as it seems to have the most features and best battery life but you can flash any of the This article will take you though the process of flashing custom ATC firmware on to the Xiaomi Temperature and Humidity sensor, model LYWSD03MMC.
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