Lecture #9
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We learned how to perform arithmetic and display output from the Arduino using the Serial monitor.

| **Scribe Notes by Xena Ayala:** `PDF1 <../scribe_notes/lecture9_notes_Xena_Ayala.pdf>`_
| **Scribe Notes by Richard Farrington:** `PDF2 <../scribe_notes/lecture9_notes_Richard_Farrington.pdf>`_