This is the newer version of the PoE HAT, unaffected by the "underachieving USB current" syndrome.
Important note: Not all Pi cases are PoE HAT compatible. Please check short video below that should help you to pick right case for your PoE HAT project:
PoE HAT case options
- HighPi Raspberry Pi B+/2/3 Case – Black (Perfect fit)
- HighPi Raspberry Pi B+/2/3 Case – Clear (Perfect fit)
- ModMyPi Modular RPi B+/2/3 Case – Black (Fits, but Pi board cannot be secured to case)
- Official Raspberry Pi 3 B Case, Black, Grey (Fits, but Pi board cannot be secured to case)
- Official Raspberry Pi B+/2/3 Case - Red, White (Fits, but Pi board cannot be secured to case)
The official Power over Ethernet add-on board for the Raspberry Pi 3 Model B+. Use this HAT to power a Raspberry Pi B+ via an Ethernet cable!
- 802.3af PoE standard
- Fully isolated switched-mode power supply
- 37–57V DC, Class 2 device
- 5V/2.5A DC output
- 25mm x 25mm brushless fan for processor cooling
- Fan control, fan only runs when necessary
For Raspberry Pi 3 Model B+ only.
- Raspberry Pi PoE HAT
- __mm nylon standoffs x 4
Other hardware needed
- Power-sourcing equipment for a 802.3af Power over Ethernet network
- An Ethernet cable
- A Raspberry Pi 3 Model B+
GPIO Access with PoE HAT
The GPIO pins can be accessed while the PoE HAT is used, but additional components are required;
- GPIO Stacking Header for Pi – Extra-long 2×20 Pins
- 2X2 Pin, 2.54mm Double Row Female Straight Header
- Brass Standoffs, M2.5 x 15mm, Package of 4
5mm of the GPIO pins are then available above the top surface of the PoE HAT board for your desired use. Note that with the increased standoff height, the only case that will fit this stack is the HighPi case (linked above). There is 11.5mm of space between the top of the PoE HAT board and the underside of the HighPi lid.
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I got one of these to power a PiHole setup for my parents house since I set them up with a small PoE switch. One less power wire to run was extremely convenient.
I am getting a few more of these so I can make an easy network probe for troubleshooting and testing things at my workplace. With the full GigE speed available on the Pi4, a lot of possibilities are now open!