The USB to serial adapter has a USB-A port on one end and a serial port on the other. The serial port is most commonly RS232, which is a standard that dates back to the 1960s.

It is unlikely then that you could take a modern USB-only device and an unholy chain of USB-to-PS/2-to-serial adapters, and have it work as a serial mouse. Want to run Windows 3.1 on a 386DX?

The serial ports on each SeaLink adapter appear as standard COM ports to the host computer, enabling compatibility with legacy software. All SeaLink USB-to-serial adapters use a state-machine ...

The pointer shipped with a then-standard PS/2 port but also worked with USB when using the included adapter. What you may not know is that this small, green adapter was purely a mechanical component.

To say that the RTL-SDR project was revolutionary might be something of an understatement. Taking a cheap little USB gadget and using it as a Software Defined Radio (SDR) to explore the radio spect… ...

Physically, a USB-RS232 adapter will get them connected but I was wondering if any of them have iPhone drivers. My Google-fu is weak today, and I haven't found an answer.

Some of them are connected to native serial ports, and some have USB->RS232 adapters. I am communicating to them via the serial port interface and their /dev/ttyUSB* device nodes.

The Universal Serial Bus (USB) port on your computer is a port that allows for high-speed data transmission between your computer and a peripheral such as a printer, keyboard, external hard drive ...