A low-voltage continuity tester, the CableEye M4 from Cami Research troubleshoots twisted-pair relationships in cables as short as 6 feet. This functionality, which is also available as an option on ...
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!