[Mike Lu] likes to add serial ports to his routers to use for debugging but he didn’t want to drill holes in his new RT-N12. After a bit of head-scratching he thought about repurposing the four ...

Just as the USB port on your phone can serve as a serial connection, mass storage device, and a network connection, the Pi Zero can do the same. We’ve seen a few people turn the Zero into a ...

A shared channel that transmits data one bit after the other over a single wire or fiber; for example, Ethernet uses ... whereas a serial bus allows for the connection of multiple devices.