IoT Based Car Parking Project

Just Do Electronics November 12, 2019

IoT Based Car Parking Project

Circuit Diagram :-

App Settings :-

CODE :-

 
       
/*
********************************************
prateek singh
www.prateeks.in
********************************************
*/
#define TRIGGER D0
#define ECHO    D2

// NodeMCU Pin D0 > TRIGGER | Pin D2 > ECHO

#define BLYNK_PRINT Serial    // Comment this out to disable prints and save space
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "BeGg-T745coWgyrlFLBfx5jxwQf9lpqj";

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Redmi";
char pass[] = "partik123";
void setup() {
  
  Serial.begin (9600);
  Blynk.begin(auth, ssid, pass);
  pinMode(TRIGGER, OUTPUT);
  pinMode(ECHO, INPUT);
  pinMode(BUILTIN_LED, OUTPUT);
}

void loop() {
  
  long duration, distance;
  digitalWrite(TRIGGER, LOW);  
  delayMicroseconds(2); 
  
  digitalWrite(TRIGGER, HIGH);
  delayMicroseconds(10); 
  
  digitalWrite(TRIGGER, LOW);
  duration = pulseIn(ECHO, HIGH);
  distance = (duration/2) / 29.1;

   if (distance <=200) {
    Blynk.virtualWrite(V0, 255);
}
  else {
    Blynk.virtualWrite(V0, 0);
  }

 if (distance <= 35) {
    Blynk.virtualWrite(V1, 255);
}
  else {
    Blynk.virtualWrite(V1, 0);
  }

   if (distance <= 30) {
    Blynk.virtualWrite(V2, 255);
}
  else {
    Blynk.virtualWrite(V2, 0);
  }

   if (distance <= 25) {
    Blynk.virtualWrite(V3, 255);
}
  else {
    Blynk.virtualWrite(V3, 0);
  }

   if (distance <= 20) {
    Blynk.virtualWrite(V4, 255);
}
  else {
    Blynk.virtualWrite(V4, 0);
  }

  
  
  Serial.print(distance);
  Serial.println("Centimeter:");
  Blynk.virtualWrite(V5, distance);
  delay(200);
  Blynk.run();

 Serial.print(distance);
 Serial.println("Centimeter:");
  Blynk.virtualWrite(V6, distance);
  delay(100);
  Blynk.run();
}

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