SparkFun will be closing early at 3:30 Friday 5/27 and remain closed Monday for Memorial Day (5/30). Orders placed after 2pm MT on Friday (5/27) will process and ship out on Tuesday (5/31).


Member Since: March 19, 2012

Country: United States

  • I was working fine with my ProMicro 5V, and after a while I can not load a new program, an error occur because Arduino 1.0.5 can not find the port of my connection, I was try to follow the steps above, but my ProMicro appears like an USB controller under “unknown device” description and I can not load the driver (.inf) as is. Do you guys have an idea that help me to I can install again my device at W7 64bit? Thank you in advance.

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