While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

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!

If you're anything like me, there's a good chance you have boxes of USB cables, not entirely sure which are USB Type-A, which are USB Type-C, and which even work. I know, I'm a mess, but this isn't ...