Custom firmware on cheap Chinese Bluetooth LCD temperature - humidity sensors for Home Assistant

Published at : 18 Dec 2025

In this video, I'll guide you through the process of installing custom firmware on budget-friendly Bluetooth LCD temperature and humidity sensors to enhance their compatibility with Home Assistant. Learn how to unlock additional features, improve performance, and seamlessly integrate these sensors into your smart home setup.


Links:
https://github.com/MakersFunDuck/humidity-temperature-sensor-TH05F

product (affiliated link):
https://s.click.aliexpress.com/e/_mML9Jbw
You can also use the search function for the cheapest listing.









▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬
0:00 - Intro & summary
0:40 - How to find it for cheap
1:38 - Contents
4:15- Teardown
9:15- Uploading custom firmware
13:15- Home assistant integration
14:15 - Honest opinion