What would happen if I attach a Raspberry Pi (A) to a USB hub for power which is already connected to a second Raspberry Pi (B) powered by an adapter (but connects to devices such as HDD, keyboard, ...
I got a 4 battery holder (4-Way 18650 Battery Holder from Dfrobot)
And I'm wondering do I need a resistor to power the rasbery pi via gpio 5v pin.
Or do I need something else for this power supply
I went to an authorized reseller, but they gave me this charger for my Raspberry Pi 3B. I used Etcher to write the August 2020 version of RPi OS to the SD card and it boots fine. However, during boot ...
Pi setup is as follows:
64 bit OS
ethernet cable from router to Pi
power cable from Pi to laptop USB port
SD card 16 GB
Router recognizes, lists Pi in devices, can SSH to it
If I move the ...