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 have a drawer full of USB cables and every time I want to connect a device, I have to try them out. USB-C was supposed to simplify things: One cable for everything, that was the promise. In practice ...

A versatile cable tester can identify miswired or non-functional audio, USB, HDMI, and RJ45 cables in seconds, preventing costly mistakes for home or professional setups. This device lights up to show ...