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Raspberry Pi Foundation Announces a New Power Over Ethernet HAT

posted by martyb on Monday May 24 2021, @08:34PM   Printer-friendly

takyon writes:

Announcing the Raspberry Pi PoE+ HAT

The Raspberry Pi Foundation has just announced the Raspberry Pi PoE+ HAT compliant with 802.3at (aka PoE+) and 802.3af standards and support for up to 25.5 Watts input.

It will replace the Raspberry Pi PoE HAT introduced in 2018 which was limited to 802.3af standard with a maximum of 15.4 Watts input and will become available around mid-June for $20 plus taxes and shipping.

HAT = Hardware Attached on Top.

Here is a competing Waveshare PoE HAT for Raspberry Pi 3B+/4B.

Also at CNX Software.

Original Submission

 
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  • (Score: 2, Interesting) by Anonymous Coward on Monday May 24 2021, @11:37PM (1 child)

    by Anonymous Coward on Monday May 24 2021, @11:37PM (#1138406)

    For me was desk clutter.

    Wall-warts, USB power blocks and cables, routine twice wire. Power loss in longer USB wires at 5V at 3A. Yes, I have power related crashes, One was bad enough to corrupt a self powered disk drive!.

    1 PoE Swtch,
    8 Ethernet wires (guage not as important at 50+V, so current is less than 0.3A),
    8 PoE Hats
    8 RPi4B
    1 power plug! Priceless.

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  • (Score: 1, Interesting) by Anonymous Coward on Tuesday May 25 2021, @06:41AM

    by Anonymous Coward on Tuesday May 25 2021, @06:41AM (#1138487)

    I was similarly annoyed with the number of power strips and outlets I needed for my infrastructure (and figured the mostly lightly-loaded supplies probably wasn't great for efficiency). As I keep expanding it, and already exceeding the power budget on my af switch, I was pretty much faced with a bigger PoE switch, with fans that I wasn't looking forward to, and a stack of PoE hats and adapters (and between the PoE switches and adapters, gets pretty pricey pretty quickly).

    Ended up going another way, and figuring pretty much everything wants either 12v or 5v, so I just grabbed an ITX supply for like $30 (it was small, but on reflection, I'll probably swap it for an ATX for the bigger/quieter fan at some point, already hacked in a slightly larger fan). Yeah, I had to make up some molex->various cables, but it is super flexible, cheap, easy to replace (got old spares on hand in a pinch) and has been serving me well.

    Still playing with pi enclosures, but currently running bricks of 3, coming off a molex. 12v to run a relatively large slow fan for the brick, and probably overkill but have them individually switched off the 5v. I was initially doing USB, but hated the side connections, so now it is just front and back and I can stack the bricks next to each other (not entirely unlike what one could do with PoE).

    Just some ideas for the cheap/indecisive/etc who don't mind a bit of DIY.