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.

The common form of the USB to Serial adapter is an FTDI breakout board. This requires drivers, though, and there is actually a simpler – and wireless – solution: the ESP8266 WiFi module .

A FT-232 USB to serial board is used to program the Arduino. A standard Bluetooth module has to have HID firmware installed. [Dastardly] makes a homemade daughterboard–er, shield–to connect it ...

The Bus Pirate module connects to a host PC through a USB connection and a terminal program on the PC lets you control the module by typing commands. The hardware comes in two versions, version 3, ...

The module count for the specified USB serial driver is incremented in order to prevent it from being unloaded while a user is talking to the device. If the specified USB serial driver has an open() ...

The driver in question is for a line of USB-to-serial chips designed by Scottish firm FTDI. FTDI's chips are incredibly popular in this space, ...

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.

In my last column [see LJ December 2002], we covered the serial layer in the 2.5 (hopefully soon to be 2.6) kernel tree. We mentioned in passing that a USB-to-serial driver layer in the kernel helps ...