Build it, measure it,
understand it

Assembly guides, pinouts and reference for the USB Tester
and every board built around it.

Measure voltage and current on any USB line. Pinout, protocol, assembly and the 2.0 revision.

Add a display to the USB Tester. Assembly, firmware updates and the Java companion app.

The Master and Link boards, and how to chain them into a display.

Voltage and current on screw terminals, for anything that is not USB.

Programme an ATtiny and tune its internal oscillator, with the current Arduino IDE or the old one.

Acrylic bases, dual resonator kits and the smaller parts that go with the boards.

Build it, measure it,understand it