We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Jared Newman After a new round of testing, we’ve added fresh picks. Buying a ...

One of most basic ways to share files and other resources with another computer in your office is via a direct cable connection. However, you cannot use a regular Ethernet cable -- called a ...

The device shown in Figure 17-1 is an RS-232–to–TTL converter board, designed to allow a PC with a serial (RS-232) port to communicate with a device that has a console (TTL) port. External converters ...

Despite faster and more capable Wi-Fi technologies, there's still no substitute for the stability, range, and in many cases, performance, of an Ethernet connection. If you have a compatible router and ...