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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.

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  • (Score: 1) by shrewdsheep on Monday May 24 2021, @08:50PM (1 child)

    by shrewdsheep (5215) on Monday May 24 2021, @08:50PM (#1138345)

    Out of curiosity: what are you using your Rpi cluster for?

  • (Score: 4, Interesting) by Anonymous Coward on Monday May 24 2021, @10:11PM

    by Anonymous Coward on Monday May 24 2021, @10:11PM (#1138376)

    Playing with distributed processing and Beowulf.

    3D Printing projects

    Video encoding and translation, for long running tests to see cooling is working right in my 3D housing for RPi.

    Plex-DVR - 2 channels using 1GB RPi4B w/ 64GB U3 SD card, no hard drive needed. Though my HDhomerun TV is configured to supply video at 480p from over the air.

    And even runs my desktop. :P

    All saves on power bill. My PoE switch can handle 8ports at 120Watts total. My 6 RPi at full load hits just at 70W. All just sitting there, hits 32W. Cheaper than my old intel systems. At one point, I had 40 desktops (dumpster dived) just stacked and running. Wife hated them.

    I since my needs is more testing and Linux is light footprint. $35 for 2GB RPi4B, a fan & heat sinks ($1 bought bulk), $10 for a SD - nice checp test equipment. Save $7-$9 for Another wall-wart, and another power strip, extra wires running around the board and desk... $20 PoE Hat is cheap for a clean setup and simple single wire to add another.

    My board is a 5/8" press-board table top 2'x2' painted black. Then drilled in 3 rows by 3 column VESA screw pattern in both 75mm and 100mm ar each crossing. 3D print VESA rails w/ 2 or 3 drop on slide mounts per bar. Then a 3D housing that slides on those rails depending on need. Mount the RPi and PoE in a sled ans drop it in, connect ethernet done! The switch I mounted also with a 3D printed VESA 100mm based mount. So all are clean and on the wall. Currently have space for 2 more RPi and with a secondary boxes for USB hubs and 2/5" SSD drives. I could even print the boxes for multiple RPi to box, but will need a bigger switch then. Current switch costs $55, unmanged Giga-bit. With 2 extra ports for up-link and down-link. So easy to slide into existing wiring - even if current switches are full.