Raspberry Pi Power-over-Ethernet HAT board for $20
The $20, 802.3af-compliant Raspberry Pi PoE HAT allows delivery of up to 15W over the Raspberry Pi 3 B+’s USB-based GbE port without reducing the port’s up to 300Mbps bandwidth. Power over Ethernet is a widely adopted standard that places power on the Ethernet cable along with the data. It has no effect on the…