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	- Project: "Smart Monitoring"
	- Source Code compiled for: Arduino Uno
	- Source Code created on: 2024-01-01 12:28:36

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* Measures temperature     If temperature is greater */
	/* than 27 degrees celsius print "high temp" and turn */
	/* on red LED    if temperature is less than 25 */
	/* degrees celsius print "low temp" and turn on blue */
	/* LED    create this in a function called water_temp */
/****** SYSTEM REQUIREMENT 2 *****/
	/* Measure distance     If distance is greater than */
	/* 30 cm print "water overflow " and turn buzzer on */
	/* If distance is less than 15 cm print "water */
	/* underflow " and turn buzzer on     create this in */
	/* a function called water_level */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <Arduino.h>
#include <DHT.h>
#include <Ultrasonic.h>

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void water_temp(void);
void water_level(void);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t mydht_DHT11_DOUT_PIN_D2 = 2;
const uint8_t myUS_HC_SR04_Echo_PIN_D4 = 4;

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t myUS_HC_SR04_Trigger_PIN_D3 = 3;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
DHT dht(mydht_DHT11_DOUT_PIN_D2, DHT11);
Ultrasonic ultrasonic(myUS_HC_SR04_Trigger_PIN_D3, myUS_HC_SR04_Echo_PIN_D4);

void setup(void)
{
  // put your setup code here, to run once:
  pinMode(mydht_DHT11_DOUT_PIN_D2, INPUT_PULLUP);
  pinMode(myUS_HC_SR04_Echo_PIN_D4, INPUT);
  pinMode(myUS_HC_SR04_Trigger_PIN_D3, OUTPUT);
}

void loop(void)
{
  // put your main code here, to run repeatedly:
  water_temp();
  water_level();
}

void water_temp(void)
{
  float temp = dht.readTemperature();

  if (temp > 27)
  {
    Serial.println("High temperature");
    // Turn on red LED
  }
  else if (temp < 25)
  {
    Serial.println("Low temperature");
    // Turn on blue LED
  }
}

void water_level(void)
{
  unsigned int distance = ultrasonic.read();

  if (distance > 30)
  {
    Serial.println("Water overflow");
    // Turn on buzzer
  }
  else if (distance < 15)
  {
    Serial.println("Water underflow");
    // Turn on buzzer
  }
}