It is the project for my indoor AQI device. https://www.yinfor.com/2024/07/make-an-aqi-device-with-raspberry-pi-pico-w-and-ens160aht21-in-5-steps.html

Here is a post about the 3D module.

https://www.yinfor.com/2025/02/make-a-small-box-for-the-aqi-project.html