Team Innotronics

#include <Servo.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x3F, 20, 4);
Servo myservo;
//TMP36 Pin Variables
int sensorPin = A0; //the analog pin the TMP36's Vout (sense) pin is connected to
                        //the resolution is 10 mV / degree centigrade with a
                        //500 mV offset to allow for negative temperatures
int reading;
float voltage;
float temperatureC;
float temperatureF;
int fsrADC;
 float fsrV;
 float fsrR;
 float fsrG;
 String data;
/*
 * setup() - this function runs once when you turn your Arduino on
 * We initialize the serial connection with the computer
 */
const int FSR_PIN = A1; // Pin connected to FSR/resistor divider

// Measure the voltage at 5V and resistance of your 3.3k resistor, and enter
// their value's below:
const float VCC = 4.98; // Measured voltage of Ardunio 5V line
const float R_DIV = 3230.0; // Measured resistance of 3.3k resistor
float force;
 int potpin = A5;  // analog pin used to connect the potentiometer
int val;
void setup()
{
  Serial.begin(9600);  //Start the serial connection with the computer
                       //to view the result open the serial monitor
  lcd.begin();
  lcd.backlight();
  //lcd.print("Done Initializing");
   myservo.attach(10);
  myservo.write(70);  // set servo to mid-point
  pinMode(2, OUTPUT);

}

void loop()                     // run over and over again
{
  //lcd.clear();
  myservo.write(0);
  if(Serial.available() > 0) {     // Send data only when you receive data:

      data = Serial.read();
      //lcd.print(data);

      if(data == "49"){
        //lcd.print("*********");
        myservo.write(180);
        delay(15);
      }
      else if(data == "48") {
        myservo.write(0);
        delay(15);
      }

     else if(data == "50") {
        digitalWrite(2,HIGH);
      }

      else if(data == "51") {
        digitalWrite(2,LOW);
      }

      //Serial.println(data);
}
  short photo_sens = analogRead(A2);
 //getting the voltage reading from the temperature sensor
 reading = analogRead(sensorPin);

 // converting that reading to voltage, for 3.3v arduino use 3.3
 voltage = reading * 5.0;
 voltage /= 1024.0;

 // print out the voltage
 //Serial.print(voltage); Serial.println(" volts");

 // now print out the temperature
 temperatureC = (voltage - 0.5) * 100 ;  //converting from 10 mv per degree wit 500 mV offset
                                               //to degrees ((voltage - 500mV) times 100)
 //Serial.print(temperatureC); Serial.println(" degrees C");

 // now convert to Fahrenheit
 temperatureF = (temperatureC * 9.0 / 5.0) + 32.0;
 //Serial.print(temperatureF); Serial.println(" degrees F");

  fsrADC = analogRead(FSR_PIN);
  // If the FSR has no pressure, the resistance will be
  // near infinite. So the voltage should be near 0.
  if (fsrADC != 0) // If the analog reading is non-zero
  {
    // Use ADC reading to calculate voltage:
    fsrV = fsrADC * VCC / 1023.0;
    // Use voltage and static resistor value to
    // calculate FSR resistance:
    fsrR = R_DIV * (VCC / fsrV - 1.0);
    //Serial.println("Resistance: " + String(fsrR) + " ohms");
    // Guesstimate force based on slopes in figure 3 of
    // FSR datasheet:
    fsrG = 1.0 / fsrR; // Calculate conductance
    // Break parabolic curve down into two linear slopes:
    if (fsrR <= 600)
      force = (fsrG - 0.00075) / 0.00000032639;
    else
      force =  fsrG / 0.000000642857;
   // Serial.println("Force: " + String(force) + " g");
  //  Serial.println();

  }
  else
  {
    // No pressure detected
  }


  int forceInt = force;
  int forceOn = 0;
  int tempOn = 0;
  int photoOn = 0;
  //String outputPhoto = "P" + String(photo_sens) + "R";
  //String outputTemp = "T" + String(temperatureF,0) + "R";
  //String outputForce = "F" + String(forceInt) + "R";
  //Serial.print(outputPhoto);
  //Serial.print(outputTemp);
  //Serial.print(outputForce);

  if (forceInt >= 250)
    forceOn = 1;
  else
    forceOn = 0;

  if (temperatureF >= 85)
    tempOn = 1;
  else
    tempOn = 0;

  if (photo_sens >= 30)
    photoOn = 1;
  else
    photoOn = 0;

  String output = String(forceOn) + String(tempOn) + String(photoOn);
  if (output == "000"){
    Serial.print("0");
  }
  else if (output == "001"){
    Serial.print("1");
  }
  else if (output == "010"){
    Serial.print("2");
  }
  else if (output == "011"){
    Serial.print("3");
  }
  else if (output == "100"){
    Serial.print("4");
  }
  else if (output == "101"){
    Serial.print("5");
  }
  else if (output == "110"){
    Serial.print("6");
  }
  else if (output == "111"){
    Serial.print("7");
  }

  lcd.clear();
  lcd.print("InnoHome            ");
  lcd.print("Temperature " + String(temperatureF,0) + " F");

  delay(200);

}