Member Since: June 14, 2009

Country: United States

  • Once his work becomes part of Google Earth’s map, he can add ‘cartographer’ to his ‘ographer resume.

  • If you scroll up from this post you’ll see a discussion about this programmer not working on Mac OS X that may pertain to other operating systems as well. There’s a link to the sparkfun forums there where we discuss the issue.
    You came to discover the same thing that Tim had previously found: using a USB hub (such as a keyboard) can help your computer recognize the programmer. His theory is that the programmer needs to communicate over USB 1.1 instead of USB 2.0, but the computer doesn’t know this. So, making it communicate via a slow USB hub forces 1.1 operation.
    We’re hoping that someone at Sparkfun might be able to come up with a fix for this, because keeping an extra keyboard on my workbench just for this seems silly! At the very least, I don’t think they should call it a “pocket” programmer if they don’t fix it, because it won’t work without my keyboard, which doesn’t fit in my pocket! :-)

  • I just did a little bit of ohm-meter probing and it appears that the TheMoogle is right: The silkscreen pin labels on the bottom of the programmer are not consistent with the standard AVR 10-pin ISP header. Either the programmer doesn’t use the standard header pin layout (unlikely), or the silkscreen is wrong.

  • Has anybody had success with this programmer using avrdude under Mac OS 10.5? I’m getting the following error:
    new-host:~ stuart$ avrdude -c usbtiny -p m16 -P usb
    avrdude: Error: Could not find USBtiny device (0x1781/0xc9f)
    avrdude done. Thank you.
    (I’m using avrdude version 5.6 (from CrossPack), which should supports usbtiny)
    Any thoughts would be greatly appreciated. Thanks!

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