Mini Power over Ethernet (PoE) HAT for Raspberry Pi 4 - With Fan [discontinued] _Arduino but does require some simple

but does require some simple soldering

How to use the Relay Expansion

Assembly method:fastening with double layer 4 screws

which requires accurate timing

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Mini Power over Ethernet (PoE) HAT for Raspberry Pi 4 - With Fan [discontinued] _Arduino but does require some simpleThis PoE (Power over Ethernet) HAT for the Raspberry Pi allows you to power the Raspberry Pi with a single (PoE power injected) Ethernet cable and can be used with both the Raspberry Pi 4 and the Raspberry Pi 3B+ (PoE enabled models). Not compatible with Raspberry Pi 5. Upgraded version! As of 17 02 2022 we're shipping the latest upgraded version of this board, which is now compatible with more brands of switches and also non standard 48v power