OSH Park
usbthing
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usbthing
by Merlin04.
2
layer board of
1.25x0.62
inches
(31.65x15.62
mm).
Shared on
October 16th, 2016 18:12.
An ATtiny85-based USB Thing. It can be used with Micronucleus to provide usb programming. It is meant to be a programmable mouse/keyboard (eg. to wiggle the mouse once every few seconds) but you could use it for other things.
Circuit from http://www.instructables.com/id/Digispark-DIY-The-smallest-USB-Arduino/
Component values: