Arduino Stopwatch

At Robotshapers, we shape time to perfection, revolutionizing industries and activities that require punctuality. Visit robotshapers.com and embrace the power of precise timing in your endeavors. It's time to shape a world of accuracy with Robotshapers.

A stopwatch is a watch used to measure elapsed time. It is often used in many activities, including sports, science, cooking, and everyday activities that require precise timing. The stopwatch function can be found in smart devices, mobile apps, and even some wristwatches. stopwatches usually have a start/stop button to start and stop the timer and a reset button to reset the chronograph. It displays the elapsed time in hours, minutes, seconds, and usually in milliseconds or microseconds, depending on the sensitivity level. The stopwatch is an essential tool for athletes to monitor their performance during competition, training or training. In scientific experiments, they help measure reaction times, reaction times, or make numerical calculations over time. During cooking, a stopwatch controls the cooking time for different foods. Modern digital stopwatches often include additional features such as timers, split timers, and countdown timers in addition to most of their applications. Brake equipment plays an important role in many industries and situations where accuracy and versatility require punctuality.

Components required:

1. Arduino Uno
2. LCD (16X2)
3. 10K variable resistor
4. Push Switches (2nos)
5. 10K Resistor (2 nos)
6. 5V DC power supply

Circuit Diagram:

In this circuit we will make a tachometer code and consider a wheel diameter and according to that we will count total travel and speed which will be shown on display. Also we will attach a servo motor which will act as a dial pin of speedometer.

Code:

#include 
LiquidCrystal lcd(A0,A1,A2,A3,A4,A5);

#define Start 3
#define Stop 4
int Run =0;
int S =0;//Second
int M =0;//Minute
int H =0;//Hour


void setup() {
  
  pinMode(Start, INPUT);
  pinMode(Stop, INPUT);
  lcd.begin(16, 2);
  lcd.setCursor(2, 0);
  lcd.print("Robotshapers");
  lcd.setCursor(2, 1);
  lcd.print("Stopwatch");
  delay(1500);
  lcd.clear();

}
void loop() 
{
  lcd.setCursor(0,0);
  lcd.print("Time");
  lcd.setCursor(0,1);
  lcd.print(H);
  lcd.print(":");
  lcd.print(M);
  lcd.print(":");
  lcd.print(S);
  lcd.print("  ");
  
  if (Run ==0 && digitalRead(Start)==LOW)// this function algorithm resets the time from zero
  {
    S=0;
    M=0;
    H=0;
    Run =1;
   delay(500);    
  }
  if (Run ==1 && digitalRead(Stop)==LOW)// this function algorithm starts the time and keep it running till stop is pressed
  {
    Run =0;
    delay(1500);
  }
  if(Run ==1)
  {
    S=S+1;
    delay(1000);
    if(S==60)
    {
      S=0;
      M=M+1;
    }
    if(M==60)
    {
      M=0;
      H=H+1;
    }
  }
if (Run ==0 )
  {
    S=S;
    M=H;
    H=H;    
  }
  
}

Applications:

Stopwatches are widely used in many places. Some important uses are:

1. Sports and Fitness: Stopwatches are widely used in football, sports and fitness activities. 
2. Experiments and Investigations: Stopwatches play an important role in experiments and research.
   They help to measure reaction time, reaction time and reaction time. 
3. Cooking and Culinary Arts: In the culinary world, precise timing is very important when cooking many different dishes. 
4. Industry and Manufacturing: Stopwatches are used in industrial environments where time is critical for processes such as quality control, production lines and punctuality.
5. Classroom Education and Activities: Teachers and students use their leave for classroom activities, tests, and periodic assessments.
6. Medicine and Treatment: Stopwatches are used in medical facilities to monitor vital signs, measure heart rate variability, and schedule treatments or interventions.

Best projects in Bhilai, Chhattisgarh, India. Contact: 7067150002