Xiaomi Mijia Bluetooth Temperature Humidity Sensor 2 LYWSD03MMC Skip to main content

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Xiaomi Mijia Bluetooth Temperature Humidity Sensor 2 LYWSD03MMC

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Background

Back in April 2021, I was curious about how the room temperature and humidity will be like when the air conditioner is on or off, or when I turn on the Evapolar evaCHILL, or even both. As such, I decided to look for a temperature and humidity sensor to be placed in the room.

There were various brands and models that meet the requirements, but in the end, I decided to go for the Xiaomi Mijia Bluetooth Temperature Humidity Sensor 2 LYWSD03MMC as the price is affordable.

The Stuff

The Xiaomi Mijia Bluetooth Temperature Humidity Sensor 2 LYWSD03MMC comes in white color and in a square shape with rounded edges. It is light and small in size that it fits into my palm easily. It comes with a CR2032 battery inside so there's no need to have batteries ready.

Here are some pictures that I have taken to show how the stuff looks like:

The Xiaomi Mijia Bluetooth Temperature Humidity Sensor 2 LYWSD03MMC
The Xiaomi Mijia Bluetooth Temperature Humidity Sensor 2 LYWSD03MMC

The device itself
The device itself

Look at the size of this device!
Look at the size of this device!

The device is connected to my Mi Home app
The device is connected to my Mi Home app

Usage and Experience

The Xiaomi Mijia Bluetooth Temperature Humidity Sensor 2 LYWSD03MMC has been in operation in my room for about a month since this post. It has been working as expected, displaying the temperature and humidity of the room as they should be.

I was able to connect this to my Mi Home app, using the Mainland China location without any issue. With this, I am able to see the temperature and humidity reading from my phone without walking to the device. Great!

You can watch the video of this stuff below or on YouTube:


Final Thoughts

Overall, I feel that the Xiaomi Mijia Bluetooth Temperature Humidity Sensor 2 LYWSD03MMC is a useful device for temperature and humidity readings in a particular area. If you are interested to find out more, you can click on the link below for more information: