Noob here. I programmed a Nano to produce two digital outputs from 2 inputs. But my real issues started using my new $180 oscope/signal generator. (ADS1040D) I was getting signals out of all digital pins. One of my inputs was analog, and I removed it, and again, signals on all digital pins. I r…

Strange Oscilloscope Reading on Nano

JohnRob April 10, 2024, 9:41pm 2

Are all your grounds connected to the same point? Each probe must have its ground connected.

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