Test any electronic component with this tiny usb tester
USB Component Tester is a universal testing device for electronic components with three or lesser pins. It can automatically detect the connected electronic component and measure the desired component parameters without having user to manually set the type.
Looks really cool! What are the use cases you imagine for this? Should I think of this like a multi-meter, i.e., can it also measure voltage/current/resistance in an existing system? If so, how dangerous is that for the computer I'm plugging the USB into? Measuring current, e.g., is not without danger.
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