// изменён файл .json. добавлены атрибуты delayTime и retrigger

#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

int vertPin = A1;
bool isMovedY = false;
int oldY;
int lim = 500;
const int ledPin = 13;
const int pirPin = 2;
int val = 0;
int delayTime = 2;
bool single = true;
bool actionDetected = false;
unsigned long timer;
int ledState = LOW;

void setup()
{
  lcd.begin(16, 2);
  pinMode(vertPin, INPUT);
  pinMode(ledPin, OUTPUT);
  digitalWrite(ledPin, LOW);
  pinMode(pirPin, INPUT);
  digitalWrite(pirPin, LOW);
  lcd.setCursor(0, 0);
  lcd.print("Delay Time:");
  lcd.setCursor(0, 1);
  lcd.print(delayTime);
  lcd.setCursor(3, 1);
  lcd.print("sec");
}

void SetDelay(int& y)
{
  if(y > 512 + lim)
    {
      lcd.setCursor(0, 1);
      lcd.print("  ");
      delayTime = delayTime == 10 ? 2 : ++delayTime;
      lcd.setCursor(0, 1);
      lcd.print(delayTime);      
    }
    if(y < 512 - lim)
    {
      lcd.setCursor(0, 1);
      lcd.print("  ");
      delayTime = delayTime == 2 ? 10 : --delayTime;
      lcd.setCursor(0, 1);
      lcd.print(delayTime); 
    }
}

void StartTime()
{
  if(single == true)
  {
    timer = millis();
  }
}

void loop()
{
  int y = analogRead(vertPin);
  isMovedY = (((y < 512 - lim) || (y > 512 + lim)) && (y != oldY)) ? true : false;

  if(isMovedY)
  {
    SetDelay(y);
  }
  
  val = digitalRead(pirPin);
  if(val == HIGH)
  {
    StartTime();
    actionDetected = true;
  }
  else
  {
    if(actionDetected)
    {
      single = true;
      ledState = (timer + (delayTime * 1000)) > millis() ? HIGH : LOW;
      digitalWrite(ledPin, ledState);
      if(ledState == LOW)
      {
        timer = 0;
        actionDetected = false;
      }
    }
    
  }

  oldY = y;

}