Power over Ethernet

Power-over-Ethernet or PoE, basically uses the unused pairs in your ethernet cable and drives low-voltage power over them to power your device, assuming your device can take PoE.
Using a little hardware hacking and approximately $25 in parts, you too can create your own PoE injector for various electronic devices!
Yes, you can potentially fry your electronics, so have fun and responsibilty is all yours!

Hackaday
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