News for hackers. Stuff that matters.
Re:New USB-C logos make picking USB cables, chargers less co... by ajsnigrutin on Monday October 04, 2021 @11:58AM (#28748469)
There were barrels with three..

eg lenovo, two charger generations ago:

https://i.imgur.com/Wn4EM33.png

But usually the inner one was only connected via a resistor, to tell the device the wattage of the charger (but could be used by a bunch of 1 wire protocols instead.

There are no comments on this comment yet.