Most modern test and measurement instruments are nothing more than a microcontroller supported by special signal processing circuits and a nice display. The Arduino UNO board too is based on a microcontroller and features analog and digital inputs. It can therefore be used at the heart of a measurement instrument. Even if it lacks special signal processing circuits, it can be very useful in many situations where signals are not superfast or where ultrahigh precision is not required. Instead of investing in an expensive all-singing, all-dancing oscilloscope it is often enough to write a few simple sketches, learn a few tricks and know your way around a spreadsheet.

The slide deck used during the presentation can be downloaded below.
 
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