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	- Project: "Rain Control"
	- Source Code compiled for: Arduino Uno
	- Source Code created on: 2024-03-20 19:14:28

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* When there is rain the motor should turn off and */
	/* if there is no rain motor should work normally */
	/* moreover, if ultrasonic detect water near 8cm */
	/* valve should get opened. */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <SoftwareSerial.h>

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

/***** DEFINITION OF Software Serial *****/
const uint8_t Yo_HC05_mySerial_PIN_SERIAL_TX_A0 = A0;
const uint8_t Yo_HC05_mySerial_PIN_SERIAL_RX_A1 = A1;
SoftwareSerial Yo_HC05_mySerial(Yo_HC05_mySerial_PIN_SERIAL_RX_A1, Yo_HC05_mySerial_PIN_SERIAL_TX_A0);

/****** SYSTEM REQUIREMENTS *****/
const int rainSensorPin = 2;     // Pin connected to the rain sensor
const int ultrasonicPin = 3;    // Pin connected to the ultrasonic sensor
const int motorPin = 4;         // Pin connected to the motor
const int valvePin = 5;         // Pin connected to the valve

void setup(void)
{
  // Initialize pin modes
  pinMode(rainSensorPin, INPUT);
  pinMode(ultrasonicPin, INPUT);
  pinMode(motorPin, OUTPUT);
  pinMode(valvePin, OUTPUT);

  // Initialize the SoftwareSerial communication
  Yo_HC05_mySerial.begin(9600);
}

void loop(void)
{
  // Read the rain sensor
  int rainSensorValue = digitalRead(rainSensorPin);

  // Check if it is raining
  if (rainSensorValue == HIGH)
  {
    // Turn off the motor
    digitalWrite(motorPin, LOW);
  }
  else
  {
    // Turn on the motor
    digitalWrite(motorPin, HIGH);
  }

  // Read the ultrasonic sensor
  int ultrasonicValue = digitalRead(ultrasonicPin);

  // Check if water is detected near 8cm
  if (ultrasonicValue == HIGH)
  {
    // Open the valve
    digitalWrite(valvePin, HIGH);
  }
  else
  {
    // Close the valve
    digitalWrite(valvePin, LOW);
  }
}