EE 47 - Lab 3 - "Multimeter"

// include the library code:
#include <LiquidCrystal.h>

int sensorPin = A0;    // select the input pin for the potentiometer
int ledPin = 9;      // select the pin for the LED
  // Pin 13: Arduino has an LED connected on pin 13
  // Pin 11: Teensy 2.0 has the LED on pin 11
  // Pin 6: Teensy++ 2.0 has the LED on pin 6
int sensorValue = 0;  // variable to store the value coming from the sensor

// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void setup() {
  // declare the ledPin as an OUTPUT:
  pinMode(ledPin, OUTPUT);
  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print("hello, world!");
  lcd.display();
}

void loop() {
  // read the value from the sensor:
  sensorValue = analogRead(sensorPin);
  lcd.clear();
  lcd.print(sensorValue);
  // turn the ledPin on
  digitalWrite(ledPin, HIGH);
  // stop the program for <sensorValue> milliseconds:
  delay(sensorValue);
  // turn the ledPin off:
  digitalWrite(ledPin, LOW);
  // stop the program for for <sensorValue> milliseconds:
  delay(sensorValue);
}