At least with barrel jacks that would have been an easy way to frie your electronics back then. With USB C you might encounter incompatibility, but at least you won’t break anything (with a few exceptions like the Nintendo Switch getting bricked by connecting certain 3rd party chargers to the official dock, or using a bad 3rd party dock)
if you want to use it
on the third part mini pc,confirm that the output voltage of your mini pc needs 12V. If the
output voltage is lower or higher than 12V and the output current exceed 2A, it will burn
your mini pc or cpu.
At least with barrel jacks that would have been an easy way to frie your electronics back then. With USB C you might encounter incompatibility, but at least you won’t break anything (with a few exceptions like the Nintendo Switch getting bricked by connecting certain 3rd party chargers to the official dock, or using a bad 3rd party dock)
And then there’s shit like this: https://www.amazon.co.uk/Standard-Computer-Quieter2-Quieter2Q-Quieter2D-Black/dp/B099RXXDYT