As a hobbyist, you no longer need to push 3 A through tiny MicroUSB connectors and underspecced cables to power a current-hungry Pi 4. Today, all you need is a USB-C socket with two resistors ...

One such option is the Dell 32-inch 4K monitor ... this monitor is that you plug the USB-C cable into your laptop, and it handles everything – you get power to charge the laptop, and the same ...

[Andreas Spiess] takes us through the theory of USB-C and USB Power Delivery (PD), as well as data transfer with USB-C cables. Even ignoring the obvious conclusion that with USB-C USB should now ...