Using USB and +5v power at the same time.
I'm working on a project using d1 mini pro.
I have a question concerning powering the board. Eventually, my D1 mini will be powered using only with an external +5v source connected to the 5v pin, but at this early stage of development I need to reprogram it frequently and use serial as a debug info.
My question is:
Can I safely plug an external +5v source to 5v pin and plug USB cable at the same time ?
Yes, if you look at the schematic, you will see that there is a diode between the USB power and the 5V power, preventing the current from the external power source from reaching your computer.