Humble
Introduction
Humble is a Raspberry Pi WiFi network link conditioner. It creates a WiFi network for your devices and gives you a web page where you switch the connection speed (3G, 4G and so on) on the fly.
Humble is built on top of Throttle and Throttle frontend, running on a configured Raspberry Pi 4. It is open source and free to use.
What do you need?
To set up your own Humble you need:
- A Raspberry Pi 4 with a wired connection to your router.
- An SD card (at least 8 GB).
- A computer with Raspberry Pi Imager installed.
That's it.
Your setup will look like this: 
You switch the connection speed from a web page served by the Raspberry Pi: 
The full setup and usage guide lives on GitHub: sitespeedio/humble.