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 spectrum ...

I have a number serial of devices I need to connect to a relatively modern computer with only 1 standard serial port. The obvious solution is to grab a couple of USB->serial adapters, which I did, ...

I am looking at getting a new laptop. I would like to get one with both a firewire and 9pin serial port. I use a laptop to talk to a variety of smart equipment through RS-232 and would like to know ...

Joining Sealevel Systems’ SeaLink USB-to-serial product line are two desktop adapters: the SeaLink+4.SC and SeaLink+8.SC, offering four and eight serial ports, respectively. Each port is ...

Housed in plastic enclosures that can be mounted on walls, under counters, or inside panels, the SeaLINK.SC and SeaLINK+2.SC USB-to-serial adapters from Sealevel Systems provide one and two serial ...

The RS-422/485/530 adapter can be used to extend USB-enabled notebook PCs up to 5,000'. The adapters get their power from the USB cable, eliminating the need for wall power. The SeaLINK+232 is priced ...

While the average computer user likely hasn’t given much thought to the lowly serial port in decades, the same can’t be said for the hardware hacker. Cheap serial-to-USB adapters are invaluable for ...

Expanding the SeaLINK USB family, the SeaLINK+I.DIN (Item# 2113) and SeaLINK+2I.DIN (Item# 2213) optically isolated USB to RS-232/-422/-485 adapters offer one or two serial ports, respectively, and ...

If you've been using computers for more than a couple of decades, you've probably used a serial port to attach peripherals like your mouse and modem. Until the USB standard rendered them obsolete in ...