I see very confusing documentation on powering the Arduino MKR 1010. I would like to know what kind of cable to power it with (a weird connector port on its side).
Can I just put 5 V + (AC or DC?) on the Vin port and connect a ground?
The documentation shows three ways of powering the board see FAQs section Batteries, Pins and board LEDs
Using a USB connector to provide 5V to the board. Typically, this is connected to a USB port on the PC you are using to program the board. Alternatively, a USB cable connected to a standard USB power supply could be used after the program has been loaded.
Using the Vin pin to supply a REGULATED 5V (maximum 6V). Of course, this is DC. Yes, you would also connect the power supply GND to the board's GND pin.
LiPo battery. This is a little more complicated to use safely and there is documentation on that as well - see the app note here to start. You absolutely need to understand how to use a battery with that board - there are safety concerns in this regard that can't be ignored.
Hope it helps.
Just if you are wondering,The mkr1010 uses Micro USB (USB-B) arduino doc says. https://docs.arduino.cc/hardware/mkr-wifi-1010
weird connector
? ... which one are you referring to?