Smart Parking using Arduino Uno, Ethernet Shield and IR sensors.
Leds represent the Parking slots.
Code:
#define BLYNK_PRINT Serial
#include <SPI.h>
#include <Ethernet.h>
#include <BlynkSimpleEthernet.h>
#include <SimpleTimer.h>
char auth[] = "";
WidgetLED led1(V1);
WidgetLED led2(V2);
WidgetLED led3(V3);
WidgetLED ldr(V0);
int rcvpin=A0;
int sensor1 = 2;
int sensor2 = 3;
int sensor3 = 4;
SimpleTimer timer;
void setup()
{
Serial.begin(9600);
Blynk.begin(auth);
pinMode(sensor3,INPUT);
pinMode(7,INPUT);
pinMode(sensor2,INPUT);
pinMode(sensor1,INPUT);
while (Blynk.connect() == false) {
// Wait until connected
}
}
void loop() {
int ldrval=analogRead(rcvpin);
Serial.println(ldrval);
int sensorval1 = digitalRead(sensor1);
int sensorval2 = digitalRead(sensor2);
int sensorval3 = digitalRead(sensor3);
Serial.println(sensorval1);
Serial.println(sensorval2);
Serial.println(sensorval3);
delay(10000);
if (sensorval1 == 1)
{
led1.on();
}
if (sensorval2 == 1)
{
led2.on();
}
if (sensorval3 == 1)
{
led3.on();}
if (sensorval1 == 0)
{
led1.off();
}
if (sensorval2 == 0)
{
led2.off();
}
if (sensorval3 == 0)
{
led3.off();
}
if(ldrval<100)
{
ldr.on();
}
else {
ldr.off();
}
Blynk.run();
timer.run();
}