ppeettee

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  1. I purchased an Electronics Explorer Board several years ago and used it a hand-full of times and it has since sat in a desk. I've recently been required to use it again for an electronics lab and have discovered it cannot seem to output negative voltages. I have the board plugged into a 12 volt power supply and a usb plugged into a pc. The board's LED lights up and the computer/waveforms recognizes the board correctly. I'm running the current version of waveforms. While running the scope I can measure VP+ correctly with whatever voltages I set. When I atte