I am doing fish feeder project with level detection for the feeds but lcd display and ultrasonic sensor did not function.

I am doing fish feeder project with level detection for the feeds but lcd display and ultrasonic sensor did not function.

I am doing fish feeder project with level detection for the feeds but lcd display and ultrasonic sensor did not function.

#include <LiquidCrystal.h> #define trigPin 12 // the trig pin to digital pin 12 #define echoPin 13 // the Echo pin to digital pin 13 #define L 8 #define M 9 #define H 10 // #define trigmotor 1 //closelid int led = A1; // LED indicator to digital pin A1
#include <Servo.h> Servo MyServo;

LiquidCrystal lcd(7, 6, 5, 4, 3, 2);

const int thresholdH = 0; const int thresholdM = 70; const int thresholdL = 90; // defines variables long duration; int distance; float percentLV;

void setup() { pinMode(trigPin, OUTPUT); pinMode(echoPin, INPUT); Serial.begin(9600); // Starts the serial communication pinMode(led,OUTPUT); digitalWrite(led,LOW); //set the led off(initial condition) lcd.begin(16, 2); } void loop() {

int degreesOfRotation = 8; int servoPinNumber = 11; float hoursBetweenMeals = 12; float mealDelayTime = 0;

{ MyServo.attach(11); MyServo.write(degreesOfRotation); mealDelayTime = hoursBetweenMeals * 1800000; delay(20);

while(degreesOfRotation < 152) {
    MyServo.write(degreesOfRotation);
    delay(10);
    degreesOfRotation += 1;
}
while(degreesOfRotation > 8) {
    MyServo.write(degreesOfRotation);
    delay(10);
    degreesOfRotation -= 1;
}
delay(mealDelayTime);

}

{ // Clears the trigPin digitalWrite(trigPin, LOW); delayMicroseconds(2); // Sets the trigPin on HIGH state for 10 micro seconds digitalWrite(trigPin, HIGH); delayMicroseconds(10); digitalWrite(trigPin, LOW); // Reads the echoPin, returns the sound wave travel time in microseconds duration = pulseIn(echoPin, HIGH); // Calculating the distance distance = (duration * 0.034 / 2); float percentLV = (40 - ( distance - 16 )) * 100 / 40;

if (percentLV > thresholdL && percentLV < 100) {

lcd.clear();
lcd.setCursor(0, 0);
lcd.print("PLEASE REFILL!");
lcd.setCursor(0, 1);
//lcd.print(distance);
lcd.print(percentLV);
lcd.print(" %");
digitalWrite(H, HIGH);
digitalWrite(M, LOW);
digitalWrite(L, LOW);
//digitalWrite(trigmotor, HIGH);
//delay(3000);
//digitalWrite(trigmotor, LOW);
//delay(1000);
digitalWrite (led, HIGH);      // Turn on the led indicator
delay(20);

} else if (percentLV <= thresholdL && percentLV > thresholdM) { lcd.clear(); lcd.setCursor(0, 0); lcd.print("U May Refill Now"); lcd.setCursor(0, 1); //lcd.print(distance); lcd.print(percentLV); lcd.print(" %"); digitalWrite(H, LOW); digitalWrite(M, HIGH); digitalWrite(L, LOW); //digitalWrite(trigmotor, LOW); digitalWrite (led, HIGH); // Turn on the led indicator delay(20); } else if (percentLV <= thresholdM && percentLV > thresholdH) { lcd.clear(); lcd.setCursor(0, 0); lcd.print("Take it easy"); lcd.setCursor(0, 1); //lcd.print(distance); lcd.print(percentLV); lcd.print(" %"); digitalWrite(H, LOW); digitalWrite(M, LOW); digitalWrite(L, HIGH); //digitalWrite(trigmotor, LOW); digitalWrite (led, LOW); // Turn off the led indicator delay(20);

} else { lcd.clear(); lcd.setCursor(0, 0); lcd.print("FULL!!"); lcd.setCursor(0, 1); //lcd.print(distance); lcd.print(percentLV); lcd.print(" %"); //digitalWrite(trigmotor, LOW); digitalWrite (led, LOW); // Turn off the led indicator delay(20);

Serial.print("PercentLV: ");
Serial.print(percentLV);
Serial.println("%");

} delay(1000);

}

}

#include <LiquidCrystal.h>
#define trigPin 12              // the trig pin to digital pin 12
#define echoPin 13              // the Echo pin to digital pin 13 
#define L 8
#define M 9
#define H 10
// #define trigmotor 1 //closelid
int led = A1;           // LED indicator to digital pin A1  
#include <Servo.h>
Servo MyServo;

LiquidCrystal lcd(7, 6, 5, 4, 3, 2);

const int thresholdH = 0;
const int thresholdM = 70;
const int thresholdL = 90;
// defines variables
long duration;
int distance;
float percentLV;


void setup()
{
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  Serial.begin(9600); // Starts the serial communication
  pinMode(led,OUTPUT); 
  digitalWrite(led,LOW);            //set the led off(initial condition)
  lcd.begin(16, 2);
}
void loop()
{

int degreesOfRotation = 8;
int servoPinNumber = 11;
float hoursBetweenMeals = 12;
float mealDelayTime = 0;

 
{ 
    MyServo.attach(11);
    MyServo.write(degreesOfRotation);
    mealDelayTime = hoursBetweenMeals * 1800000;
    delay(20);

 

    while(degreesOfRotation < 152) {
        MyServo.write(degreesOfRotation);
        delay(10);
        degreesOfRotation += 1;
    }
    while(degreesOfRotation > 8) {
        MyServo.write(degreesOfRotation);
        delay(10);
        degreesOfRotation -= 1;
    }
    delay(mealDelayTime);
}


{ 
  // Clears the trigPin
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  // Sets the trigPin on HIGH state for 10 micro seconds
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  // Reads the echoPin, returns the sound wave travel time in microseconds
  duration = pulseIn(echoPin, HIGH);
  // Calculating the distance
  distance = (duration * 0.034 / 2);
  float percentLV = (40 - ( distance - 16 )) * 100 / 40;


  if (percentLV > thresholdL && percentLV < 100) {

    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("PLEASE REFILL!");
    lcd.setCursor(0, 1);
    //lcd.print(distance);
    lcd.print(percentLV);
    lcd.print(" %");
    digitalWrite(H, HIGH);
    digitalWrite(M, LOW);
    digitalWrite(L, LOW);
    //digitalWrite(trigmotor, HIGH);
    //delay(3000);
    //digitalWrite(trigmotor, LOW);
    //delay(1000);
    digitalWrite (led, HIGH);      // Turn on the led indicator
    delay(20);
  } else if (percentLV <= thresholdL && percentLV > thresholdM) {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("U May Refill Now");
    lcd.setCursor(0, 1);
    //lcd.print(distance);
    lcd.print(percentLV);
    lcd.print(" %");
    digitalWrite(H, LOW);
    digitalWrite(M, HIGH);
    digitalWrite(L, LOW);
    //digitalWrite(trigmotor, LOW);
    digitalWrite (led, HIGH);      // Turn on the led indicator
    delay(20);
  } else if (percentLV <= thresholdM && percentLV > thresholdH) {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Take it easy");
    lcd.setCursor(0, 1);
    //lcd.print(distance);
    lcd.print(percentLV);
    lcd.print(" %");
    digitalWrite(H, LOW);
    digitalWrite(M, LOW);
    digitalWrite(L, HIGH);
    //digitalWrite(trigmotor, LOW);
    digitalWrite (led, LOW);      // Turn off the led indicator
    delay(20);
    
  } else {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("FULL!!");
    lcd.setCursor(0, 1);
    //lcd.print(distance);
    lcd.print(percentLV);
    lcd.print(" %");
    //digitalWrite(trigmotor, LOW);
    digitalWrite (led, LOW);      // Turn off the led indicator
    delay(20);

    
    Serial.print("PercentLV: ");
    Serial.print(percentLV);
    Serial.println("%");
  }
  delay(1000);
  
}

}