The USB-C connector has seen mass adoption over the past decade, and is now found on nearly every device from expensive ...

it looks like this: for the female usb connector, look down into the end of the connector so that it is oriented like so: pin 1 is the positive (5v) terminal (which goes to the output of the 7805 ...

You're probably most familiar with the USB-C to female 3.5mm adapter, which gives you a slot for connecting the male plug on your headphones. But you can also get something like this JMOX USB-C to ...