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!

This is a multifunction RJ45 network cable tester. It is the design of the network cable (RJ45) test, and telephone (RJ11). It is cheap and easy to use. It works for network, telephone, cable with ...

Network testers are ideal for IDing bad cabling, helping to troubleshoot network issues, estimating cable lengths and determining cable rates. These tools from Fluke Networks, NETSCOUT, and SignalTEK ...