Sends VDM to Mac Mini upon connection, to go into DFU mode. FUSB302B is connected to AVR using I2C and GPIO.
The library it taken from https://github.com/ReclaimerLabs/FUSB302/blob/master/FUSB302.cpp
AVR FUSB302B
SDA <> SDA
SCL <> SCL
VBUS <> D4
GND <> GND
INT <> D12
+3.3v <> VPU and VDD