All three of these testers can check cable pairs and wiring, estimated cable lengths, and data rates. Plus all can blink the switch port LED lights to help identify the port you’re testing and send ...

Ever wondered why your Arduino wasn’t programming, only to find out that the cable doesn’t have any data conductors? Worry not, [Spencer Maroukis] has got you covered with the USB Sleuth Cable Tester!

I've just run two new CAT6 cables in my house and I'm having problems with my TiVo. However, I'm trying to narrow down the problem by making sure that the cables are good. My switch is a Dell ...

Microcontroller-based circuits for testing cables, sometimes in conjunction with a PC, are easy to use and very flexible. For the hobbyist, however, the complication of such devices is not justified.