ip-webcam.appspot.com is the official repository and support website for the widely popular

ip-webcam.appspot.com serves as the official hub for the IP Camera Adapter, allowing Android phones running the IP Webcam app to act as high-quality wireless webcams for Windows PCs. The system works by establishing a local Wi-Fi server on the phone and installing a virtual camera driver on the PC to stream audio and video, supporting applications like Zoom, Skype, and OBS. For more details, visit ip-webcam.appspot.com IP Camera Adapter IP Camera Adapter

The main function of the website is to host the Windows driver called the IP Camera Adapter

If you have a retired Android phone, the hardware is free. The app costs nothing (though a small donation removes ads).