Unknown USB Device (Device Descriptor Request Failed) #441
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Ekristoffe
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Hello all.
This is not a question but a how to for the Sparkfun pro micro (and close also including the qwiic version).
After installing the software, if you get this error: [Unknown USB Device (Device Descriptor Request Failed)]
Make sure you have selected the right processor speed depending on the voltage of the pro micro:
Hope this could help futures users.
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