Question

EECP3171 - Assignment Sem-3 (2018-19) Submission method: Individual Demonstration of Simulation on Tinkercad Demonstration Schedule: 20 June - Thursday 9:00 till 1:00 PM in CE111 (my office) Note: Any student who will come after deadline will be marked zero. Problem Statement Develop a simulation of a Electronic Thermometer using Tinkercad. The LCD will display the temperature in Celsius and Fahrenheit. Red LED will be ON if temperature is> 50 C and Green will be ON if temperature is < 50 C. Components required: [for display for Adjusting brightness of LCD] for sensing temperature] [for Visual indication of Temperature level 1. 1 LCD 16 x 2 2. 1 Potentiometer 3. 1 TMP36 sensor 4. 1 Red & 1 Green LEDS 5. 3, 2200 resistors [2 for LEDS and 1 for LCD] (microcontroller board for controlling the application 6. 1 Arduino UNO Formulas for Temperature Sensor Temperature in Celsius (Sensor Input 0.48828125) Temperature in Fahrenheit (Temperature in Celsius 1.8)+32 How to write code for LCD Library to be used: #include <LiquidCrystal.h> Step 1: initialize the library with the numbers of the pins where LCD is interfaced. LiquidCrystal Ikd(12, 11, 5, 4,3, 2); Step 2: Initialize the number of columns and rows of LCD in setup() function. Icd.begin(16, 2); Step 3: Set Cursor of LCD to start priniting. Icd.setCursor(Column No (0 to15), Row No (0 to 1)) Step 4:Print on LCD using function: Icd.print( variable name); and Icd.print("for text")

Answer 1

Arduino Code:

#include <LiquidCrystal.h>

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

#define sensor A0
#define red 6
#define green 7

float SensorInput = 0;
float Temp_Celsius = 0;
float Temp_Fahren = 0;

void setup()
{
// set up the LCD's number of columns and rows:
lcd.begin(16, 2);
pinMode(red, OUTPUT);
pinMode(green, OUTPUT);
}

void loop()
{
SensorInput = analogRead(sensor);
Temp_Celsius = SensorInput * 0.48828125;
Temp_Fahren = (Temp_Celsius * 1.8) + 32;
if (Temp_Celsius > 50)
{
digitalWrite(red, 1);
digitalWrite(green, 0);
}
else if (Temp_Celsius < 50)
{
digitalWrite(green, 1);
digitalWrite(red, 0);
}
lcd.setCursor(0, 0);
lcd.print("Celsius: ");
lcd.setCursor(10, 0);
lcd.print(Temp_Celsius);
lcd.setCursor(0, 1);
lcd.print("Fahrenheit: ");
lcd.setCursor(13, 1);
lcd.print(Temp_Celsius);
}