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Thread: Build Your Own SMD Microscope

  1. #1

    Default Build Your Own SMD Microscope

    Build a Simple DIY SMD Microscope
    Now Upgraded with BASIC Stamps
    and servo motors!


    This concept uses any camera with a magnifier mode
    for closeup work with Parallax boards and components.


    Typical color image captured with the author's
    home-made SMD microscope showing a modification
    to the Parallax Propeller Proto Board. Without the
    home-made SMD Microscope, the mod would be
    next to impossible.



    Camera
    Take one camera which has a magnifying mode
    (for example, a SONY Cyber-Shot) and one six-inch
    tripod and some recycled food containers - put it
    all together and you have a working SMD microscope
    viewer for assembly and mod of SMD boards.

    Operations Key
    The key is in the operation. Use the view screen,
    which can operate in real time as the imager is scanned
    across the tiny images of traces, chips, resistors, etc.
    Wear reading glasses if you need them, and
    engage the magnifier mode.

    Details
    The Cyber-shot has a Carl Zeiss Vario-Tessor Optical
    3X lens which can be additionally zoomed to increase
    magnification. Another key to success is using VGA
    mode because it allows the creation of a larger
    microscopic image which equals more magnification.

    Image Processing
    Import the image into Google's PICASA 3 and enhance.
    Enhancements should include zooming, sharpening,
    contrast, color with light and dark adjustments.

    Uses
    Sometimes you cannot see the markings on SMD
    components. This setup shows everything you need to
    see. It works in hands free mode and in real time
    imaging. It will also capture images at the press of a
    button. It works well for identification of traces and
    components, determining board and connection
    conditions.

    Work in Real Time
    It also allows you to work in real time, as in soldering
    tiny components and wires or adjusting traces and
    inspecting work. To do this, adjust the imager on the
    tripod for no hands operation.

    Setup
    Since the imager is hands free, the board can be connected
    or merely set on the recycled kitchen container. Adjust the
    6-inch tripod so the imager can scan laterally across the board
    in the X-axis or adjust in the Y-direction. This will make centering
    objects you cannot see with the human eye more easy.



    This setup image was captured with a computer
    cam, showing an active microscope screen.



    Note the tripod positioning and the adjustments
    that are easily made manually in the XY-axes.
    Attached Thumbnails Attached Thumbnails Click image for larger version

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    Last edited by Humanoido; 02-09-2011 at 09:50 AM.

  2. #2

    Default Re: Build Your Own SMD Microscope

    I saw something like this at the parts store and it was thousands of dollars and basically did the same. One thing I would like to do in the future is add rotating servos to a platform or the imager to step around the field of view by pushing a button. I think a BASIC Stamp 1 would be good for this.

  3. #3

    Default Re: Build Your Own SMD Microscope

    Add BASIC Stamps & Servos to Your SMD Microscope
    Combine two projects for more functions


    Add servos and BASIC Stamps (BS1s) from the 3DSC project to drive your SMD Microscope. The SMD Microscope project now incorporates the 3DSC project. The 3DSC has two movable servo driven platforms. In this application, only the top platform is needed for the specimen. The platform can move alone a short arc in one plane to position and reposition viewing for no-hands operations. More on the 3DSC is found here.
    http://forums.parallax.com/showthrea...phing-Computer


    This idea merges two projects into one new.
    By combining the 3DSC Morphing Computer
    with the SMD Microscope, a more useful servo
    driven project emerges.


    The 3DSC Morphing Computer can accomplish several new
    functions when combined with the SMD microscope.
    • automatic specimen positioning by programmable servo
    • a top specimen platform
    • hands-free operations for image stability
    • various drive rates for varying magnifications
    • fast slew rate for rough positioning
    • slower motions for fine tuning framing
    Last edited by Humanoido; 02-08-2011 at 02:51 PM.

  4. #4

    Default Re: Build Your Own SMD Microscope

    Reserved for Microscopy Image Samples
    Posing some sample images


    Looking inside the Prop Plug holes to see what's in there!

  5. #5

    Default Re: Build Your Own SMD Microscope

    Getting the Maximum Out of Your DIY SMD Imager

    You can squeeze more information out of your DIY
    SMD Imager by following a few good tips.


    • Keep the imager in magnifier mode
    • Shoot in VGA mode because it allows more zoom which results in a larger image scale
    • Make good use of digital zoom after the optical zoom is maxed out
    • Use fast Google PICASA 3 to process the image
    • Increase scale and position using software
    • Set the imager for capture in artificial light to obtain correct color balance
    • Crop and position the final image
    • Use sharpen, contrast, light & dark, and attention focus
    • Supplement with a good screen capture program
    • Keep in mind lens position when lining up target specimens

  6. #6

    Default Re: Build Your Own SMD Microscope

    SMD Microscope Application
    Work those Penguin Boards!

    One application for the SMD Microscope is in regard to the Penguin Offer.
    The repair involves the soldering of SMD components on the
    black CPU Penguin mother-board which is already very small.
    http://forums.parallax.com/showthrea...enguins-Closed!

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