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I'm looking for a build your own or mod hack something like a POE ethernet passthrough that powers an Arduino IoT controller. I understand that what ever I am using will need it's own dedicated IP stream but given how small some things have gotten I though a small female to female ethernet device that carries a light or temp sensor would be neat. Just tinker stuff.

Robert Williams
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    what is your question? – jsotola Nov 09 '20 at 21:55
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    Welcome to the site! We are going to need more detail on your exact issue if we are going to help you. Please [edit] your question to specify exactly what research you have done so far and what the precise problem is that you are having. Thanks! – anonymous2 Nov 09 '20 at 22:05
  • It won’t be that small, but there are PoE-powered Ethernet switches which can then themselves power other devices over PoE (search for “PoE switch passthrough”). Note that they will usually require PoE+ (802.3at) input and deliver PoE (802.3af) output. You could then connect your device to one of the ports. – jcaron Nov 10 '20 at 08:49

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