I added a flex sensor into the analog input, and then outputted it into a super annoying little speaker. Ugh shut it up.
int speakerPin = 7; int bend = A0; void setup(){ Serial.begin(9600); pinMode(speakerPin, OUTPUT); } void loop(){ int bendVal = analogRead(bend); int speakerVal = bendVal * 5; Serial.println((String) bendVal + " -> " + (String) speakerVal); tone(speakerPin, speakerVal); }