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Kerbal

Member Since: May 7, 2011

Country: United States

  • For about $20 more, this basic digital camera does 20.1 megapixel stills, 720p video at 30fps, etc, etc, etc… Included in that price is a >~1000mAh battery, 2.7" LCD, the plastic enclosure, etc, etc, etc… http://www.bestbuy.com/site/sony-dsc-w800-20-1-megapixel-digital-camera-black/4349004.p

    How then, does this slower and lower-fidelity camera with no storage, lights, usb, etc, etc, maintain this price? Not intended as a dig at sparkfun, because I find no significantly better and/or cheaper cameras available.

    Where does one purchase the comparatively well-featured cameras they put in every ~$20 cell phone nowadays? I realize the phone manufacturers buy 1000000000000 cameras at a time but even with adding the onboard encoder to make the camera ‘standalone’, the price-feature ratio seems way off.

    Could you not (summarizing) add a <$20 SD sniffer to the above BestBuy camera and outperform this in every way? Besides being tiny and low-power, please spell out for me where the value in this is?

    Thanks

  • You don’t see many 3D armadillo’s here in Texas..

  • http://oshpark.com/shared_projects/kcVjN7cA

  • http://oshpark.com/shared_projects/kcVjN7cA

  • http://oshpark.com/shared_projects/kcVjN7cA

  • http://oshpark.com/shared_projects/kcVjN7cA

  • Breakout Board: http://oshpark.com/shared_projects/kcVjN7cA

  • Getting ready for Christmas - $.$

    http://www.youtube.com/watch?v=H8GMpjyQgAI

    Sometimes the lights appear to have latency but it is purely cell-phone-camera related.

  • I thoroughly read the datasheet and saw the obvious intent with the board to provide daisy-chaining, but didn’t notice the entirely alternate wiring shown in the schematic. Per the datasheet, this board could have had a single 5x2 header in, and a single 5x2 header out, with no extra one-wires. It will work, but the daisy-chaining could be greatly simplified by conforming to the datasheet. :( (first-ever frowny face @ sparkfun)

    From AutoDriverSupport.cpp - // SPIXfer()…A very important // note regarding chip select- holding the CS line low results in data being // shifted THROUGH the chip, not into it. To latch data, CS must be released // after each byte. I can’t find a reference to this in the datasheet, which // is AWESOME, and I’ve personally discovered it at least twice."

    This was intentional and expected behavior per the datasheet: Page 37: CS lines should all be tied together; MISO should return to CPU from last driver in chain Page 54: NOP = 0x00

    To command the n-th driver in the chain: 1) Hold CS 2) Transmit (CommandForNthModule + (NOP * (n - 1))) 3) Release CS

  • These appear to be daisy-chainable, except that CS is not connected per the datasheet example. Please recommend a method for addressing modules in the chain after the first.

No public wish lists :(