Arduino Project 5: Mood Cue

//Import a library from the Arduino folder
#include <CapacitiveSensor.h>
//Select the two pins that will act as a capacitor
CapacitiveSensor capSensor = CapacitiveSensor(4,2);
//Insert the minimum value provided by the sensor to detect the touch
int threshold = 1000;
const int ledPin = 12;

void setup() {
Serial.begin(9600);
pinMode(ledPin, OUTPUT);
}

void loop() {
//Read the sensor value
long sensorValue = capSensor.capacitiveSensor(30);
Serial.println(sensorValue);
//Touch detected
if (sensorValue > threshold) {
//Turn on the led
digitalWrite(ledPin, HIGH);
}
//Touch undetected
else {
//Turn off the led
digitalWrite(ledPin, LOW);
}
delay(10);
}