Member #132675

Member Since: May 5, 2010

Country: United States

  • Product DEV-10999 | about a year ago

    So that someone can save the few hours I just spent…: I bricked the Pro Micro 3.3V. On OS X 10.8 no recognition of USB serial device (in Arduino IDE, ‘System Information’ and ‘/dev’). Power light goes on, but no tx/rx lights. It had something to do with running past RAM limitations (allocating too much memory). More importantly, the only way to get the device to reprogram was to repeatedly jiggle the reset pin (shorting it to ground) while the device was connected via USB, and after upload is initiated in IDE. Simply replugging the device during upload process, or singular resets at various phases did not work (for me). And the jiggle itself only worked 1 in 3 attempts so be persistent. You can stop jiggling if the tx/rx lights start going.

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