I’m working with a SparkFun Pro Micro (Qwiic, USB-C, 5V/16MHz, ATmega32U4) and ran into a full USB enumeration failure. :wrench: What I’m Trying to Do I’m building a USB HID device using the Pro Micro. However, the board never enumerated over USB, even when first plugged in. There was no COM port,…

It sounds like a defective device; was it purchased from us? If so head over to www.sparkfun.com/returns (contact vendor if purchased elsewhere) and we’ll get ya squared away

It was purchased through Amazon. SparkFun Qwiic Pro Micro - USB-C… Amazon.com: SparkFun Qwiic Pro Micro - USB-C (ATmega32U4) - Compatible with Arduino Development Board 5V/16MHz microcontroller AP2112 3.3V Voltage Regulator Castellated PTH pin Pads Reset Button Maximum 6V Input : Electronics

SparkFun Pro Micro (Qwiic, USB-C, 5V/16MHz) USB Enumeration Failure

Development Boards Arduino

Teslamax May 2, 2025, 5:40am 4

I bought it through Amazon, but the return period has closed.

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SparkFun Pro Micro (Qwiic, USB-C, 5V/16MHz) USB Enumeration Failure

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