Earthing:
Protective earth wire should be connected bottom of metal box as below ( to
Shanti for example). You can earth the unit by using a Nirvana SMPS with
earth switch on .
Connection between BOSS2 and Shanti (Dual Power)
A
BOSS2
OLED
DC
1A
SHANTI
USB
DC 3A
DC 1A
USB
TYPE C