The bus in a PC is the common hardware interface between the CPU and peripheral devices. Parallel buses with multiple lines (wires) were superseded by serial versions, which use one line for data.

in many of today’s high-capacity processing systems, wide parallel buses are converted to high-speed serial signals for easy transport across boards or cables. High-speed serial signaling standards ...

The PCA9661 is an advanced single master mode I²C-bus controller. It is a fourth generation bus controller designed for data intensive I²C-bus data transfers. It has one I²C-bus channel with data ...

[Yann]’s DYPLED entry into this year’s Hackaday Prize isn’t very useful to most people. It’s a tiny module that connects to a 16-bit parallel bus, and displays a hexadecimal number on a few LEDs. It’s ...