Revise paste "Water Leveler" rev_03

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- Project: "Water Leveler"
	- Source Code compiled for: Arduino Uno
	- Source Code created on: 2024-01-01 11:38:07

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* Measure the distance   If distance is greater than */
	/* 30 cm print "warning overflow"  if distance is */
	/* less than 15cm print "warning underflow" */
/****** SYSTEM REQUIREMENT 2 *****/
	/* Ultrasonic sensor to measure distance  If distance */
	/* is more than 30cm print "warning overflow"  If */
	/* distance is less than 30 cm print "warning */
	/* underflow"    create code as a function named */
	/* water_level */
/****** END SYSTEM REQUIREMENTS *****/

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

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

/********** DEFINITION OF DIGITAL INPUT PINS **********/
const uint8_t myUS_HC_SR04_Echo_PIN_D3 = 3;

/********** DEFINITION OF DIGITAL OUTPUT PINS **********/
const uint8_t myUS_HC_SR04_Trigger_PIN_D2 = 2;

/********** DEFINITION OF LIBRARIES CLASS INSTANCES **********/
Ultrasonic ultrasonic(myUS_HC_SR04_Trigger_PIN_D2, myUS_HC_SR04_Echo_PIN_D3);

void setup(void)
{
  // put your setup code here, to run once:
  pinMode(myUS_HC_SR04_Echo_PIN_D3, INPUT);
  pinMode(myUS_HC_SR04_Trigger_PIN_D2, OUTPUT);
  Serial.begin(9600);
}

void loop(void)
{
  // put your main code here, to run repeatedly:
  water_level();
  delay(1000);
}

void water_level(void)
{
  int distance = ultrasonic.read();
  Serial.print("Distance in CM: ");
  Serial.println(distance);
  
  if (distance > 30)
  {
    Serial.println("Warning: Overflow");
  }
  else if (distance < 15)
  {
    Serial.println("Warning: Underflow");
  }
}