NanoPi Duo2 using external power
Posted: Fri Mar 06, 2020 5:27 am
The wiki states:
What will happen if the supplied power is only 3.7V?
VDD_5V: 5V power input/output. When the external device’s power is greater than the MicroUSB's the external device is charging the board otherwise the board powers the external device. The input range is 4.7V ~ 5.5V.[/quote]
What will happen if the supplied power is only 3.7V?