I'm using a USB voltage and amperage meter to see what the draw is. It is also important to use something similar in order to program this thing from a MacBook Pro Retina. Otherwise the USB3 port pins either don't make connection, or are in some other way not compatible.

I eventually shrank this down even smaller using a ATTiny85 directly. See that here: [ Ссылка ]

Code:
[ Ссылка ]

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