USB

Your device pulls current, it doesn't get pushed — and that changes everything about picking USB adapters.

Display over fiber is the easy part. USB is where it gets annoying — and the single-UPS dream doesn't quite close.

A label printer that charges for ten seconds then dies — and what that tiny failure reveals about building a diagnosis-first repair bench.

A dead rotary tool leads down two rabbit holes: warranty economics and how components actually move around the world.

Daniel's Dremel only charges at one jiggle angle. What warranty service actually looks like in Israel, the EU, and the US.

Wi-Fi IoT ships locked to vendor clouds by default. Here's what it takes to break out — and where Wi-Fi is actually the right tool.

A dead USB port, a sagging battery, and the real physics behind why cordless rotary tools lose their bite mid-charge.

Is a distributed belt-mounted power system the future of EDC, or just a clever fantasy? We dig into the engineering.