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  • raspberry
  • compute
  • raspberry_pi
  • module
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Raspberry PI computer module project

filipelouro
filipelouro over 10 years ago

Hi everyone,

 

sorry if for any reason you find my questions simple to answer but my experience is small in embedded devices.

 

I would like to build a device using a raspberry pi computer module and would like to add a couple of sensors:

 

  • GPS
  • Barometric Sensor
  • Accelerometer

 

I would like to be able to give you more details but i need to keep some things "under the hood" image

 

What would be the best way to start prototyping my board?

 

Cheers

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  • shabaz
    shabaz over 10 years ago

    Hi Filipe,

     

    Since this sounds like a commercial product if you're considering the compute module and information is "under the hood" for now, then if you don't have a lot of experience

    then this doesn't sound like a technically solvable issue (unless you're asking for what to study - engineers can spend years learning academically and then practically how to use such modules).

    The compute module has enough differences to the larger RPI that it needs some experience to use - DC-DC converters, interface connectors etc are missing and there are plenty of

    pitfalls if you've not done this before. Even so-called experienced firms have made mistakes - check out OpenPi which is late to deliver (not a good sign from a firm who is trying to sell to

    other people who are trying to establish businesses), and the 'open source design files' are curiously absent from the URL they mention on their kickstarter page.

    You would probably need to hire someone or partner with someone. That needs funding which you may have or may need to attract.

    If you still want to try to make some technical progress, then check out the 'magpi' magazine and back-issues, they have information on how to use the RPI (and the information is compatible

    with the compute module).

    Your engineer would be able to prototype with the compute module using a Compute Module development boardCompute Module development board for it. But first he/she would possibly test out things with the cheaper RPI boards before moving to the compute module.

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  • shabaz
    shabaz over 10 years ago

    Hi Filipe,

     

    Since this sounds like a commercial product if you're considering the compute module and information is "under the hood" for now, then if you don't have a lot of experience

    then this doesn't sound like a technically solvable issue (unless you're asking for what to study - engineers can spend years learning academically and then practically how to use such modules).

    The compute module has enough differences to the larger RPI that it needs some experience to use - DC-DC converters, interface connectors etc are missing and there are plenty of

    pitfalls if you've not done this before. Even so-called experienced firms have made mistakes - check out OpenPi which is late to deliver (not a good sign from a firm who is trying to sell to

    other people who are trying to establish businesses), and the 'open source design files' are curiously absent from the URL they mention on their kickstarter page.

    You would probably need to hire someone or partner with someone. That needs funding which you may have or may need to attract.

    If you still want to try to make some technical progress, then check out the 'magpi' magazine and back-issues, they have information on how to use the RPI (and the information is compatible

    with the compute module).

    Your engineer would be able to prototype with the compute module using a Compute Module development boardCompute Module development board for it. But first he/she would possibly test out things with the cheaper RPI boards before moving to the compute module.

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  • filipelouro
    filipelouro over 10 years ago in reply to shabaz

    Hi shabaz,

     

    thank you for your reply. Yes i might face some technical issues because my background is software enginnering. nevertheless one of my ideas was to start with the full RPi and only then draw and work on the schematics for the smaller form factor pcb.

    I have made some work with arduino, and now i want to expand my knowledge.

     

    One of the big issue i will face for sure is the connection with a display. I have seen some comments in the forum and connecting the RPi with a e-ink display is somewhat.....hard. at least with my know-how.

     

    so at the moment i dont know if i will base my project on the RPi or somr other platform (ex. freescale)

     

    Cheers

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