Questions tagged [poe]

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

7 questions with no upvoted or accepted answers
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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 ...
3
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0answers
439 views

Is it viable to run a cluster of Pis on PoE?

I’m thinking of experimenting with clustering RPis, but the thought of that mess of equipment (switch + multi-port USB charger) and cables is a bit of a turn-off. Does anyone know if there are any ...
2
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1answer
41 views

Raspberry Pi4B RJ45 etchings

What does the etched (vs non-etched) RJ45 jack indicate? I have 3 of the 2GB versions; only one works in the remote location powered by PoE. The two that do NOT work - the newest and oldest of the 3 -...
2
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112 views

Cooling Fan Hat?

The PoE hat has a built-in cooling fan, and even has drivers in Raspbian to automatically turn it on and off based on the CPU temperature. However, any guides to add a temperature-controlled fan seem ...
0
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0answers
41 views

Are there plans to make a RPI 4 PoE Hat that matches RPI4 power specs?

The RPI 4 draws up to 3amps at 5.1V. The official PoE HAT outputs 2.5 amps at 5V. Generally this should be enough but I'm curious if a higher spec PoE HAT for the RPI 4 is planned? If not can one be ...
0
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0answers
39 views

Finding source code for the Atmel MCU on the PoE Hat

I have recently purchased a raspberry pi 4. I have a small DC cooling fan for it, but I am limited to it being constantly on, which is annoying. I have seen (but do not need, or personally have access ...
0
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0answers
132 views

Are there any battery backup options that work with a PoE powered Pi?

Looking to have a Pi (4) that is powered over PoE - are there any battery backup options (i.e. hats) that can be stacked with the PoE hat & supply power if/when the PoE fails (and then re-charge ...