SparkFun will be closed May 25, 2015 for Memorial Day. Orders placed after 2pm on Friday the 22nd will ship out on Tuesday. Thanks!


Member Since: December 27, 2007

Country: United States

  • I too have had issues with using this programmer on some USB ports. Using a USB hub solved the issue, however it was not ideal.
    After reading here about the missing zener diodes, I had a go at modifying a USB cable by adding the zener diodes inline. This seems to work a treat.
    The programmer is now recognised when I plug it directly into my computer or into a USB hub.

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