Switching on Z-Uno under Windows (7,8,10) you will get at first a "device not found" after connecting USB power.
You must press once reset - then all will be ok.
I think it is any timing problem with USB - had the same issue with Atmel 32u4 if clock was wrong.
Switching on Z-Uno under Windows (7,8,10) you will get at first a "device not found" after connecting USB power. You must press once reset - then all will be ok.
I think it is any timing problem with USB - had the same issue with Atmel 32u4 if clock was wrong.