Stories
Slash Boxes
Comments

SoylentNews is people

SoylentNews is powered by your submissions, so send in your scoop. Only 17 submissions in the queue.

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

 
This discussion has been archived. No new comments can be posted.
Raspberry Pi Foundation Announces a New Power Over Ethernet HAT | Log In/Create an Account | Top | 19 comments | Search Discussion
Display Options Threshold/Breakthrough Mark All as Read Mark All as Unread
The Fine Print: The following comments are owned by whoever posted them. We are not responsible for them in any way.

  • (Score: 2) by JoeMerchant on Wednesday May 26 2021, @02:25AM (1 child)

    by JoeMerchant (3937) on Wednesday May 26 2021, @02:25AM (#1138794)

    As long as the DAC drivers still work this should be fine - the speaker the amp is driving also floats... Now: how much audio-band noise do the PoE circuits make?

    --
    Україна досі не є частиною Росії Слава Україні🌻 https://news.stanford.edu/2023/02/17/will-russia-ukraine-war-end
    Starting Score:    1  point
    Karma-Bonus Modifier   +1  
    Total Score:   2  

  • (Score: 0) by Anonymous Coward on Wednesday May 26 2021, @07:25AM

    by Anonymous Coward on Wednesday May 26 2021, @07:25AM (#1138857)

    I can't answer that. There is quite a bit that goes into a calculation like that, but they haven't released the necessary information to figure that out that I could find. Some PoE circuits will have mains hum if the cable isn't shielded, they are improperly grounded, or built too cheaply, but these shouldn't have that problem in a way that isn't easily rectified. This means your main concern will be the switch noise and harmonics, which I cannot characterize. Some make no noise in those bands, others are partially filtered, some just don't care.