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Input Devices

This was a bit a frustrating week. I've build all input devices and none of them gave me proper read outs. First we were fighting with an application for desabled people which was occupyng the serial port for some reason. The one board who did gave me some read outs was the hello button. But look what a messy read out

Reading button with - one push:

Neil suggested to look up all connections on the oscilloscop, but again this is beyond my knowledge, so i wouldent know how to look at it and looking for what?

I want make all these boards again until I got reasonable results in I would have liked to do something with the visualisations of it, which was part of the assignment.

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