Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [poe]

For questions regarding the use of Power Over Ethernet (IEEE802.3) on the Raspberry Pi.

51 questions
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4 answers

RPI 4 - POE enabled but requires hat?

I'm confused about the marketing on the new RPI 4. Here in the tech specs it says "Power over Ethernet (PoE) enabled (requires separate PoE HAT)". What does it mean it's enabled, but it needs a separate hat. The RPI 3 could be powered with POE…
dave k
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7
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1 answer

Comparison between different PoE HATs

There are now multiple PoE HATs available: Official Raspberry Pi PoE HAT LoveRPi PoE HAT PiSupply Pi PoE Switch HAT I need to choose which one to use for my project. I already know from reading the product pages in detail that: The Official HAT…
nh2
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0
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0 answers

Transmit Data over PoE using PoE+ Hat Raspberry Pi 4

Hello I am using a Raspberry Pi 4 (Rpi4) as a WiFi to Ethernet converter. I programmed the Rpi4 to act as a DHCP server and this setup is working fine in converting WiFi to Ethernet (transmitting data, I can see the ethernet port LEDs flashing). I…
motaha
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0
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0 answers

Raspberry Pi as high current PoE source

I'm trying to set up my Raspberry Pi 4 as a POE power source that the rest of its project will use. We currently use a separate POE injector and supporting parts, which is really messy. Most of the content I read about this don't use the Pi as their…
ieatpizza
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0
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Is it possible to use ethernet port for power+rs232

RPi4 poe pinout has 4 output which is connected to the 4 unused ethernet cable lines. Can I use these for +,-,Rx,TX. I don't use ethernet. Rx,Tx will be connected to the header's serial port. If it is possible, it will help me to remove bulky serial…
Chanoh Park
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0
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PoE hat troubles

I have three Raspberry Pis, all three with PoE hats. One of them works perfectly. The second one is completely non-functional. The third worked for about a day, then stopped working. All three are plugged in to the same Ubiquiti PoE switch (a UniFi…
John
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0
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2 answers

Use PoE hat to WoL the RPi but using normal adapter for current possible?

I'm looking for ways of waking my RPi 4B on lan. I read that the PoE hat allows switched mode power which seems like what I'm looking for. Now my router doesn't support PoE, so I may need to use also a PoE injector as well. My question is: could I…
cainbantam
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