Delay timer for faults protection

It is a timer that measures the delay time required for protection before the relay trips

Dec 9, 2020

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power protection

timer millisecond

Components and supplies

16x2 LCD display with I²C interface

Arduino Nano

Breadboard (generic)

Resistor 1k ohm

Jumper wires (generic)

LDR, 5 Mohm

Project description

Code

Untitled file

arduino

1
2#include "timer.h"
3  #include <Wire.h> 
4#include <LiquidCrystal_I2C.h>
5LiquidCrystal_I2C   lcd(0x27,16,2);
6
7int x = 0;
8
9Timer timer;
10
11void setup()
12{  
13   lcd.init();
14  lcd.backlight();
15  lcd.print("Dr-Ayman Quraan");
16  delay(250);
17   lcd.setCursor(0,1);  
18  lcd.print("Eng.Moh Alawneh");
19  delay(1100);
20   lcd.clear();
21  lcd.begin(16,2);
22  lcd.print("Eng. ");
23  lcd.setCursor(0,1);
24   lcd.print("Ahmad AbuMurad");
25  delay(1100);
26  lcd.clear();
27  lcd.setCursor(0,0);
28   lcd.print("Press Test Start ");
29
30   
31     // timer.start();
32}
33
34void   loop()
35{
36     if (analogRead(A0)>20){
37          //start the timer
38          if   (x == 0) {
39            lcd.clear();
40            lcd.print("Delay Time Is   ");
41              timer.start();
42              x++;
43          }
44
45           
46          long m=timer.getElapsedTime();
47          
48          lcd.setCursor(4,1);
49          
50          lcd.println(m/1000);
51          
52          lcd.println(m%1000);
53           timer.update();
54     }
55}

#include "timer.h"
  #include <Wire.h> 
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C   lcd(0x27,16,2);

int x = 0;

Timer timer;

void setup()
{  
   lcd.init();
  lcd.backlight();
  lcd.print("Dr-Ayman Quraan");
  delay(250);
   lcd.setCursor(0,1);  
  lcd.print("Eng.Moh Alawneh");
  delay(1100);
   lcd.clear();
  lcd.begin(16,2);
  lcd.print("Eng. ");
  lcd.setCursor(0,1);
   lcd.print("Ahmad AbuMurad");
  delay(1100);
  lcd.clear();
  lcd.setCursor(0,0);
   lcd.print("Press Test Start ");

   
     // timer.start();
}

void   loop()
{
     if (analogRead(A0)>20){
          //start the timer
          if   (x == 0) {
            lcd.clear();
            lcd.print("Delay Time Is   ");
              timer.start();
              x++;
          }

           
          long m=timer.getElapsedTime();
          
          lcd.setCursor(4,1);
          
          lcd.println(m/1000);
          
          lcd.println(m%1000);
           timer.update();
     }
}

Untitled file

arduino

1
2#include "timer.h"
3  #include <Wire.h> 
4#include <LiquidCrystal_I2C.h>
5LiquidCrystal_I2C  lcd(0x27,16,2);
6
7int x = 0;
8
9Timer timer;
10
11void setup()
12{  
13  lcd.init();
14  lcd.backlight();
15  lcd.print("Dr-Ayman Quraan");
16  delay(250);
17  lcd.setCursor(0,1);  
18  lcd.print("Eng.Moh Alawneh");
19  delay(1100);
20  lcd.clear();
21  lcd.begin(16,2);
22  lcd.print("Eng. ");
23  lcd.setCursor(0,1);
24  lcd.print("Ahmad AbuMurad");
25  delay(1100);
26  lcd.clear();
27  lcd.setCursor(0,0);
28  lcd.print("Press Test Start ");
29
30   
31     // timer.start();
32}
33
34void  loop()
35{
36     if (analogRead(A0)>20){
37          //start the timer
38          if  (x == 0) {
39            lcd.clear();
40            lcd.print("Delay Time Is  ");
41              timer.start();
42              x++;
43          }
44
45          
46          long m=timer.getElapsedTime();
47          
48          lcd.setCursor(4,1);
49         
50          lcd.println(m/1000);
51          
52          lcd.println(m%1000);
53          timer.update();
54     }
55}

#include "timer.h"
  #include <Wire.h> 
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C  lcd(0x27,16,2);

int x = 0;

Timer timer;

void setup()
{  
  lcd.init();
  lcd.backlight();
  lcd.print("Dr-Ayman Quraan");
  delay(250);
  lcd.setCursor(0,1);  
  lcd.print("Eng.Moh Alawneh");
  delay(1100);
  lcd.clear();
  lcd.begin(16,2);
  lcd.print("Eng. ");
  lcd.setCursor(0,1);
  lcd.print("Ahmad AbuMurad");
  delay(1100);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Press Test Start ");

   
     // timer.start();
}

void  loop()
{
     if (analogRead(A0)>20){
          //start the timer
          if  (x == 0) {
            lcd.clear();
            lcd.print("Delay Time Is  ");
              timer.start();
              x++;
          }

          
          long m=timer.getElapsedTime();
          
          lcd.setCursor(4,1);
         
          lcd.println(m/1000);
          
          lcd.println(m%1000);
          timer.update();
     }
}

Downloadable files

un_TjG3L2kC19.png

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