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Raspberry Pi Forum Model B+ Schematics
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Related

Model B+ Schematics

wallarug
wallarug over 10 years ago

Does anyone know where to find the schematics for the B+??  I am attempting to update my app to include B+ details and I require the port labels (e.g.  J1, J2, etc) for the app to function correctly.

 

All the labels used to be on the PCB itself but they have replaced them with descriptions / words.

 

Could anyone be able to help me out?

 

This is what I have been able to produce thus far:

 

Model AModel BModel B+Description
S1S1J1Micro USB Power
S5S5J3Camera
S2S2J4Display
S3S3J6HDMI
S6S6J7Audio
P1P1J8Main GPIO
IC2IC2U1EBCM2835
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  • rew
    0 rew over 10 years ago

    As far as I know there is not a "complete schematics" as there is with the V1 and V2 model A/B boards.

     

    There is however an "input/output" schematics going around. Maybe that already has what you need. I was expecting to be able to find that linked on the product page for the B+ at Farnell, but the product page was unreachable when I tried that on the day of the release.

     

    I googled for you...

    http://www.raspberrypi.org/documentation/hardware/raspberrypi/schematics/README.md

    This has all the schematics that are published, including the reduced one for the B+.

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  • wallarug
    0 wallarug over 10 years ago in reply to rew

    Thanks Roger,

     

    I have that one though! image

     

    It only has on it the ports that are listed in the table (above).

     

    It is a shame that they have not released a fully schematic for it yet.


    EDIT:  Looks like someone got their hands on it:  Raspberry Pi • View topic - Raspberry Pi B+ schematic

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  • rew
    0 rew over 10 years ago in reply to wallarug

    That MIGHT be permanent: There are now raspberry pi clones out there, which are a bit easier if you have the schematics. So they might keep the schematics under their hat this time. As "mod edit: nuked link" hints at as well...

     

    On the other hand, they might go "open hardware", releasing the schematics after a while.

     

    I can't predict which way they will go.

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  • wallarug
    0 wallarug over 10 years ago in reply to rew

    All I need is a list of ports and their IDs.  I have asked the question in the B+ Q&A thread to see if anyone can help.

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  • gdstew
    0 gdstew over 10 years ago in reply to rew

    There are no true clones of the Raspberry Pi, only "work alike" boards that use processors other than the BCM-2835 (mostly Allwinner) and at a minimum

    mimic the GPIO connector. None of them are software compatible with the Raspberry Pi. The schematics you link to seem to show the all the differences

    between the B and the B+ which along with the original B schematics is good enough for most purposes but I would still much rather have full schematics

    simply because it makes following them easier.

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  • johnbeetem
    0 johnbeetem over 10 years ago in reply to gdstew

    Gary Stewart wrote:

     

    There are no true clones of the Raspberry Pi, only "work alike" boards that use processors other than the BCM-2835 (mostly Allwinner) and at a minimum mimic the GPIO connector. None of them are software compatible with the Raspberry Pi.

    FYI, there's the Hardkernel Odroid-W (W = "Wearable"), which is a tiny 60 x 36 x 7mm board with BCM2835, Samsung DRAM (no surprise there), two ADCs, RTC, battery charger, micro HDMI, and single USB port.

     

    Link to LinuxGizmos article

     

    Pretty nifty little board IMO.  It might work quite nicely with a Motorola Atrix Lapdock.

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  • gdstew
    0 gdstew over 10 years ago in reply to johnbeetem

    I check out that web site a couple of times a day but I missed that one (must have been the *droid as I usually ignore those). It is an interesting board so I am

    going to check it out further ! It is also the first time I've seen the BCM2835 used in anything other than the Pi since it was introduced so I'm curious if they had

    to twist any ARMs (ouch) to get them.

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  • wallarug
    0 wallarug over 10 years ago in reply to johnbeetem

    I was going to buy a couple of them for projects that need a light weight RPi.  Looks like a good product.

     

    On this topic though:  I managed to get some information out of people on the other forums.  Here is the completed list:

    Model AModel BModel B+Description
    P3P3-LAN Debug
    P5P5-GPIO Header 8W
    S4S4-Composite Video Out
    S1S1J1Micro USB Power
    P4P4J10Ethernet
    S7S7J11USB mid
    --J12USB edge
    P6P6J2Reset Header
    S5S5J3Camera
    S2S2J4Display
    P2P2J5Video Core Debug
    S3S3J6HDMI
    S6S6J7Audio
    P1P1J8Main GPIO
    S8S8J9SD card
    IC2IC2U1EBCM2835
    IC3IC3U2LAN9512
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  • Former Member
    0 Former Member over 10 years ago in reply to wallarug

    Wallarug,

     

    You need to update your table. The Raspi B+ does not have a LAN9512, but a LAN9514.

     

    Jean-Paul

    AC9GH

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  • shabaz
    0 shabaz over 10 years ago in reply to johnbeetem

    The Odroid-W does look incredibly small - how cool.  The LCD dock is cute.

    The pinout for it is here just to complete the pinouts table:

    http://files.linuxgizmos.com/hardkernel_odroidw_pins.jpg

     

    So, not for everyone (since it needs some soldering) but good that it can run the same raspbian images - this could be ideal for some compact scenarios -

    I'm thinking mobile use since it runs off a LiPo battery.

     

    I have a few Odroid boards (not this one), they are not bad. Their U3 is almost like a laptop in performance. Compilations run on it as fast as on a Core i5 with a decent amount of memory - I tested with a very large code base (and unrelated, testament to the developers, it compiled and ran nicely even though the code had never been tested on ARM before).

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