As mentioned i have a circuit that transmits data through light(VLC) and receives it through phototransistor. The aim is to transfer a file from one PC to another PC hence we used a serial port DB9 ...

The universal serial bus (USB) is rapidly becoming the standard interface for most PC peripherals. It is displacing RS-232 and the parallel printer port because of superior speed flexibility and ...

We may receive a commission on purchases made from links. As technology has advanced, the types of ports on computers have also changed for the better. However, that doesn't mean devices with older ...

The ubiquitous Universal Serial Bus (USB) interface is about to undergo another evolution, keeping pace with the ever increasing demand for connectivity bandwidth. USB 3.0, or “SuperSpeed USB,” is ...

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 ...

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 ...

A socket that connects to a serial interface (one bit following another over one line). Serial ports are widely used by sensors for data acquisition, and they were standard on early computers for ...