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2. USB-to-serial adapter - Wikipedia

   en.wikipedia.org/wiki/USB-to-serial_adapter

   A USB-to-serial adapter or simply USB adapter is a type of protocol converter that is used for converting USB data signals to and from serial communications standards (serial ports). Most commonly the USB data signals are converted to either RS-232 , RS-485 , RS-422 , or TTL-level UART serial data.

3. StarTech.com - Wikipedia

   en.wikipedia.org/wiki/StarTech.com

   StarTech.com's product range includes adapters, converters, connectors, extenders, splitters, and switches. The company's products are divided into 8 main categories: Audio/Video Products, Electrical Cables, Server Management, Hard Drive Accessories, Expansion Cards, Networking Products, Computer Parts, and Laptop/Notebook Docking Stations ...

4. Serial port - Wikipedia

   en.wikipedia.org/wiki/Serial_port

   While interfaces such as Ethernet, FireWire, and USB also send data as a serial stream, the term serial port usually denotes hardware compliant with RS-232 or a related standard, such as RS-485 or RS-422. Modern consumer personal computers (PCs) have largely replaced serial ports with higher-speed standards, primarily USB.

5. USB hub - Wikipedia

   en.wikipedia.org/wiki/USB_hub

   A four-port "long cable" "external box" USB hub A four-port "compact design" USB hub: upstream and downstream ports shown. A USB hub is a device that expands a single Universal Serial Bus (USB) port into several so that there are more ports available to connect devices to a host system, similar to a power strip. All devices connected through a ...

6. Serial Peripheral Interface - Wikipedia

   en.wikipedia.org/wiki/Serial_Peripheral_Interface

   There are a number of USB adapters that allow a desktop PC or smartphone with USB to communicate with SPI chips (e.g. FT221xs [33]). They are used for embedded systems, chips (FPGA, ASIC, and SoC) and peripheral testing, programming and debugging. Many of them also provide scripting or programming capabilities (e.g. Visual Basic, C/C++, VHDL).

7. USB communications - Wikipedia

   en.wikipedia.org/wiki/USB_communications

   The written USB 3.0 specification was released by Intel and its partners in August 2008. The first USB 3.0 controller chips were sampled by NEC in May 2009, [4] and the first products using the USB 3.0 specification arrived in January 2010. [5] USB 3.0 connectors are generally backward compatible, but include new wiring and full-duplex operation.