While less common than computer overheating, webcams can and do overheat, particularly when run continuously.
: If you’re running Yawcam as an IP camera, use an app like tinyCam Monitor on your phone to view your "DIY" feed while you're away from home.
You can set a username/password for accessing the web interface, preventing random people on your network from watching your feed.
Settings → Network & Internet → Mobile hotspot → Share my internet connection from “Ethernet” (or “None”) over Wi-Fi.