Hacked Gadgets Forum

August 23, 2009

Cell Phone Display Oscilloscope

at 3:30 pm. Filed under Complex Hacks, Electronic Hacks

 

If you have a spare cell phone display and are handy with a microcontroller this cool Cell Phone Display Oscilloscope by Almost There could be your next project.

"Check out these impressive specifications rivaling scopes costing twice the price (about $9 MSRP)…

  • Vertical fixed at 5V full screen (or 0.5V per division, if it had divisions.)
  • Horizontal Sweep fixed at (approximately) 43mS full screen when over-clocked at 8MHz (or 4.3mS per imaginary division.)
  • Trigger fixed at 1/2 the peak-to-peak signal (with a time-out when there is no signal.)
  • Non-portable (unless you want to carry my entire workbench some place.)
  • Very Affordable (about $4.50; $3.50 for the PicAxe, $1.00 for the phone, everything else I had on hand.)
  • Visible in Day Light (the LCD Backlight is not connected.)
  • All Solid-State (using ultra-reliable E-Z Clip Technology.)"

 

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6 Responses to “Cell Phone Display Oscilloscope”

  1. nanar Says:

    Dead link :(

  2. vic Says:

    Probably his site has been suspened by Yahoo due to sudden high traffic, aka the “Hacked Gadgets effect”. Try the google cache : http://www.google.com/search?q=cache%3Ahttp%3A%2F%2Fwww.geocities.com%2FMinimalist_Oscilloscope_08M_Proj%2F (no pictures).

  3. Almost_There Says:

    The page is limited to 10Meg an hour or something, try again later.

  4. sarah Says:

    It’s really very interesting project.

  5. hubert Says:

    so sorry, i could never open your link
    i hoped i could rebuilt it maybe with another controller e.g. pic18f2550 which i have lying arond.
    ok, so far so good, isnt there aother possibility to get the plans and software online?? maybe instructables or microsofts live skydrive???

  6. Almost_There Says:

    Hubert;

    It just loaded for me…

    http://www.geocities.com/Minimalist_Oscilloscope_08M_Proj/Minimalist_Oscilloscope_08M_Project.html

    Here is a link showing how to connect to a Nokia Phone…

    http://www.selbing.com/_jakob/electronics/nokia.htm

    Good Luck!
    Ken_S.

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