While some may call owning a travel router paranoia, others simply see it as good security. A travel router is more than just for security though, and can be a great way to extend internet access from one device to many, be it when you’re on a plane, in a hotel, or just using public Wi-Fi. Well, as it turns out, you can turn an ESP32 into a travel router, or even just an isolated network, and that’s exactly what I did.