<p>A well-equipped electronics lab is crammed with power supplies, measuring devices, test equipment and signal generators. Wouldn't it be better to have one compact device for almost all tasks? <br><br>Based on the Arduino, a PC interface is to be developed that's as versatile as possible for measurement and control. It simply hangs on a USB cable and ? depending on the software ? forms the measuring head of a digital voltmeter or PC oscilloscop...