XIAOMI Mi Jia BLE LYWSD03MMC indoor mini weather station

BLEĀ  mini weather station able to measure:

  • Temperature monitoring
  • Humidity
  • Battery
  • Volt

Range: 0C +60C

Dimension: 43 x 43 x 12.5mm

Category:

Description

This device is out of the box compatible with OpenMQTTGateway / ESP32, the gateway connects to it every 10 minutes approximately so as to retrieve the temperature, humidity, battery and voltage data.

You can also change the firmware of the device easily by following the tutorial below, with this custom firmware, the device data are read every 55s. It enables to read the data with an ESP32, an HM10 + ESP8266 or an Arduino MEGA.

 

Note that the flashing process takes less than 5minutes and is done over the air (impressive :-)).

https://github.com/atc1441/ATC_MiThermometer

Additional information

Brand

XIAOMI

Frequency

2.4Ghz

Power source

Battery

Battery type

CR2032

Autonomy (estimation)

unknown

Compatible boards

ESP32

Compatible modules

BT

Exchanged data

battery, humidity, temperature, volt

Price range

$

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