IoT Based Car Parking Project

IoT Based Car Parking Project

Circuit Diagram :-

App Settings :-

CODE :-

/* ******************************************** //Prateek //wwww.prateeks.in //https://www.youtube.com/c/JustDoElectronics/videos ******************************************** */ #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(); }

Video :-

 

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GitHub Link