Per hackster.io, the ‘Wing will provide support for a 4W draw over Power over Ethernet (PoE) — allowing Feather-based devices to receive power and network connectivity over a single cable.
The PoE FeatherWing supports IEEE 802.3at Class 1, Mode A and Mode B Power over Ethernet (PoE) with up to 4W available to connected devices. The Ethernet connectivity itself is provided by a WIZnet W5500 Ethernet controller, allowing for full compatibility with any libraries and software designed for the non-PoE Adafruit Ethernet FeatherWing, while a Microchip 24AA02E48 means each unit has a guaranteed globally-unique MAC. The design even incorporates a solder point to enable Giant Board support, without the need for the usual IRQ fly-wire connection.
The PoE FeatherWing is due to land on Crowd Supply soon; pricing has yet to be confirmed.
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