Heater wrote: ↑
Sun Sep 16, 2018 10:38 am
Nice idea but not so easy.
In a PoE system the voltage coming down the ethernet cable is much higher than 5v. More like 20, 30 or 40. I forget what exactly.
I assume that this is left over from the old POTS telephone line as BT used to use 48V DC supply down the line IIRC