[Ted] has demonstrated using a common USB to serial adapter as an SDR transmitter. That’s right, using the cheap little UART adapter you’ve almost certainly got sitting in your parts bin right ...

Cheap serial-to-USB adapters are invaluable for snooping debug ports or programming chips, and if you ask us, you can never have too many laying around the bench. [Quentin Bolsée] loves them so ...

PCMCIA serial adapter cards provide one or more serial ports to a host computer. They use a PCMCIA card bus to interface with the host, and add RS232, RS422, RS485, or other types of serial ports.