Lab 13 - LCD Display

CLASSWORK:
LCD Print to Screen
#include <LiquidCrystal.h> 
int time = 0;
int k;
LiquidCrystal lcd (8,9,4,5,6,7);  //Initialize an LCD object, takes pin #'s as arguments
void setup() {
  lcd.begin(16, 2);                 //Tell the arduino we have a 16n2 (COL, ROW) display
  lcd.setCursor(0,1);               //Tell the cursor where to be, (0,0)=ORIGIN top left
  lcd.print("Prof Mason");        //Tell the LCD what to print out at the given location
}

void loop() {
  lcd.setCursor(0,0);
  lcd.print("DoomsDayIn T-");
  for (k=time; k<=10; k++) {
    lcd.setCursor(13,0);
    lcd.print(k);
    delay(1000);
  }


}

LCD with Progress Bar
//LCD with Progress Bar
//Include the library code:
#include <LiquidCrystal.h>
//Initialize the library with the numbers of the interface pins
LiquidCrystal lcd(8, 9, 4, 5, 6, 7);
//Create the progress bar characters
byte p20[8] = {
 B10000,
 B10000,
 B10000,
 B10000,
 B10000,
 B10000,
 B10000,
 B10000,
};
byte p40[8] = {
 B11000,
 B11000,
 B11000,
 B11000,
 B11000,
 B11000,
 B11000,
 B11000,
};
byte p60[8] = {
 B11100,
 B11100,
 B11100,
 B11100,
 B11100,
 B11100,
 B11100,
 B11100,
};
byte p80[8] = {
 B11110,
 B11110,
 B11110,
 B11110,
 B11110,
 B11110,
 B11110,
 B11110,
};
byte p100[8] = {
 B11111,
 B11111,
 B11111,
 B11111,
 B11111,
 B11111,
 B11111,
 B11111,
};
void setup()
{
 //Set up the LCDs number of columns and rows:
 lcd.begin(16, 2);
 // Print a message to the LCD.
 lcd.print("ENGR6 Display");
 //Make progress characters
 lcd.createChar(0, p20);
 lcd.createChar(1, p40);
 lcd.createChar(2, p60);
 lcd.createChar(3, p80);
 lcd.createChar(4, p100);
}
void loop()
{
 //Move cursor to second line
 lcd.setCursor(0,1);
 //Clear the line each time it reaches the end
 //with 16 " " (spaces)
 lcd.print("                ");
 //Iterate through each character on the second line
 for (int i = 0; i<16; i++)
 {
 //Iterate through each progress value for each character
 for (int j=0; j<5; j++)
 {
 lcd.setCursor(i, 1); //Move the cursor to this location
 lcd.write(j); //Update progress bar
 delay(100); //Wait
 }
 }

}

HOMEWORK:
LCD Temperature Radar (FAIL)
#include <LiquidCrystal.h>
LiquidCrystal lcd(8, 9, 4, 5, 6, 7);
int waitTime = 200;
void setup() {
 // initialize serial communication at 9600 bits per second:
 Serial.begin(9600);
 lcd.begin(16, 2);
 lcd.print("ENRG6 Display");
}
void loop() {
 // read the input on analog pin 0:
 int sensorValue = analogRead(A0);
 int tempValue = analogRead(A1);
 // print out the value you read:
 Serial.print(sensorValue);
 Serial.print("   ");
 Serial.println(tempValue);
 delay(1); // delay in between reads
 lcd.setCursor(0,1);
 lcd.print("                ");
 lcd.setCursor(0,1);
 /*double Celsius=0.01, Rankine;
  /*  Computes the temperature in Rankine scale. */
  /*Rankine = (Celsius + 273.15)*1.8;*/

 switch (sensorValue) {
    case 0: //RIGHT
      lcd.print("CELSIUS");
      delay(waitTime);
      break;
    case 720: //SELECT
      lcd.print("DEGREES");
      delay(waitTime);
      break;
    default:
      lcd.print("DEFAULT!");
      delay(waitTime);
 }

}