USB

USB (Universal Serial Bus) is an industry-standard specification for cables, connectors, and communication protocols used for connection, communication, and power supply between computers and electronic devices. It enables data transfer and charging for peripherals like keyboards, mice, storage drives, and smartphones, with versions like USB 2.0, 3.0, and USB-C offering increasing speeds and capabilities.

Also known as: Universal Serial Bus, USB port, USB connector, USB cable, USB interface

Why learn USB?

Developers should learn USB for hardware interfacing, embedded systems, and IoT projects, as it's essential for connecting devices to computers or microcontrollers. It's used in firmware development, device driver creation, and debugging hardware, with applications in robotics, consumer electronics, and data acquisition systems.

Learning Resources

• docs: USB.org Specifications
• tutorial: USB in a NutShell
• book: USB Complete by Jan Axelson
• video: Introduction to USB on YouTube