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3 Aug 2010

This device is a USB port tester that allows you to check any USB port of your computer. To check the operation of USB just plug it and if USB port is working correctly the green led should lit. Also you should receive a “New device detected” message on your operation system. The circuit is very simple to build using a few common components. Check construction details on the instructable link below.

USB tester - [Link]

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