I want to be able to power the board via the DC barrel jack but also connect a little 18650-based DC UPS board to the DC IN terminal for power outages. Is it safe to have both connected at the same time?
I want to be able to power the board via the DC barrel jack but also connect a little 18650-based DC UPS board to the DC IN terminal for power outages. Is it safe to have both connected at the same time?