Published March 18, 2023

4 digit Seven Segment Display with Arduino

Arduino 7 segment tutorial

AdvancedFull instructions provided8 hours249

4 digit Seven Segment Display with Arduino

Things used in this project

Hardware components

Arduino UNO

SparkFun 7-Segment Serial Display - Red

Jumper wires (generic)

Software apps and online services

Arduino IDE

Story

A four-digit seven-section display is an electronic part. which can be utilized to show the numeric data utilizing the mix of various fragments accessible on the seven-section display.

every one of which might we at any point turn on and off to show the various numbers or letters in this Arduino with Seven Fragment Show. the seven portions or orchestrate in an example that can be turned on when we interface the capacity to the given pins.

If you are making a timer or any other counter, you may need a 7 seven-segment display you need to connect 48 wires at least to operate it. but if you are using a four-digit seven-segment display with 1637 modules, ordinary, we need to connect 28 wires to your microcontrollers which is not efficient so we have a broad, this four-digit Arduino with Seven Segment Display that can support serial communication project protocol.

The TM1637 module is a small display module that is used to display numeric and alphanumeric characters. It is commonly used with Arduino and other microcontroller boards. The module uses a 2-wire serial communication interface that makes it easy to integrate with microcontrollers.

Components Required:-

Arduino ide
TM1637 4 digits Seven segment
Jumper wire

TM1637 module help to communicate efficiently by serial communication.

We make every time PCB for our project we always use PCBWAY services.

include the library first and then define both pins clock or data input-output.
The next step is to Create a display object
we have to create an array that turns all segments on and right.
After that, we will create an array that can turn all the segments of now in the low function
set the brightness with this given function display.
set brightness this is the whole process of Arduino with Seven Segment Display.
Now we have to make her main code in the void loop.

Full detail is available on Techatronic

Code

#include <TM1637Display.h>
#include <Adafruit_Sensor.h>


// Define the connections pins
#define CLK 3
#define DIO 4



// Create display object of type TM1637Display
TM1637Display display = TM1637Display(CLK, DIO);



void setup() {
  // Set the display brightness (0-7)
  display.setBrightness(5);
  
  // Clear the display
  display.clear();
  pinMode(5, INPUT_PULLUP);
  pinMode(7, INPUT_PULLUP);
  pinMode(8, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(10, INPUT_PULLUP);
  
   pinMode(A2, OUTPUT);
    pinMode(A3, OUTPUT);
  pinMode(12, INPUT_PULLUP);
  
  pinMode(A1, INPUT_PULLUP);
  digitalWrite(2, LOW);
}

void loop() {


int z= digitalRead(5);
int x= digitalRead(7);
int c= digitalRead(12);
int b= digitalRead(A1);
Serial.print(c);
delay(200);


if(x==0 && z==1)
{



for (int i = 30; i >= 0; i--) {
 display.showNumberDec(i);
  
digitalWrite(8, HIGH);
delay(1000);
int z=digitalRead(5);
int x=digitalRead(7);
if(z==0)
{break;}
} 
 
digitalWrite(8, LOW);
delay(1000);


}
else
{
  
  display.showNumberDec(0000);
  digitalWrite(2, HIGH);
  }

if(z==0 && x==1 )
{
  

for (int i = 10; i >= 0; i--) {
 display.showNumberDec(i);
  
digitalWrite(9, HIGH);
delay(1000);

int x=digitalRead(7);
if(x==0)
{break;}
} 

digitalWrite(9, LOW);
delay(500);
}

else
{
  
  display.showNumberDec(0000);
   digitalWrite(2, HIGH);
  }



 


if(x==0 && z==0 && c==1)
{

for (int i = 180; i >= 0; i--) {
 display.showNumberDec(i);
 int a = digitalRead(10);
  if(a==0)
  {break;}
  digitalWrite(11, LOW);
  delay(1000);
  
  
}

digitalWrite(11, HIGH);
delay(1000);

}


else
{
  
  display.showNumberDec(0000);
  digitalWrite(2, HIGH);
  }






if(c==0 && z==0 && x==0)
{

for (int i = 120; i >= 0; i--) {

  int a = digitalRead(10);
  if(a==0)
  {break;}
 display.showNumberDec(i);
 
  digitalWrite(A2, LOW);
  digitalWrite(A3, LOW);
  delay(1000);
  
  
}
while(1)
{
digitalWrite(A2, HIGH);
digitalWrite(A3, HIGH);
delay(100);
}

}


else
{
  
  display.showNumberDec(0000);
  digitalWrite(2, HIGH);
  }






if(b==0 && c==0 && z==0 && x==0)
{

for (int i = 60; i >= 0; i--) {

  int a = digitalRead(10);
  if(a==0)
  {break;}
 display.showNumberDec(i);
 
  digitalWrite(A3, LOW);
  delay(1000);
  
  
}
while(1)
{
digitalWrite(A3, HIGH);
delay(1000);
}

}


else
{
  
  display.showNumberDec(0000);
  digitalWrite(2, HIGH);
  }





}