https://wisp.net.au/gaf-lightning-pd-v4.html
GAF-LIGHTNING-PD-V4| Buy GAF-LIGHTNING-PD-V4 802.3af PoE to Lightning Adapter with Wired Ethernet...
gaflightningpdbuy
https://www.glennklockwood.com/sysadmin-howtos/rpi-wifi-island.html
Configuring Raspberry Pi as a Wireless-to-Wired Ethernet Island
I've run into a few cases where I want to connect a device (an old computer, a weird IoT gadget) to my home network, it cannot directly connect to my home wifi...
raspberry piwired ethernet