Things used in this project

Hardware components:
A000066 iso both
Arduino Arduino UNO & Genuino UNO
×1
386 00
DHT11 Temperature & Humidity Sensor
×1
11026 02
Jumper wires (generic)
×1
Arduino Ethernet shield
×1
Adafruit industries ada62 image 75px
USB-A to B Cable
×1
1434509556 android phone color
Android Android device
×1
12002 04
Breadboard (generic)
×1
Software apps and online services:
Ide web
Arduino Arduino IDE
Blynk logo avatars
Blynk

Schematics

Dht11 Schematic
Dht11

Code

Room temperatureArduino
#include <SPI.h>
#define BLYNK_PRINT Serial
#include <Ethernet.h>
#include <BlynkSimpleEthernet.h>
#include <SimpleTimer.h>
#include <dht11.h>
dht11 DHT11;
SimpleTimer timer;

char auth[] = "";        // write your auth code here
void setup()
{
  DHT11.attach(2);      // connect pin 2 to the sensor
  Serial.begin(9600);
  Blynk.begin(auth);     // start blynk server and connect to the cloud
 while (Blynk.connect() == false) {
    // Wait until connected
  }
  
void loop()
{
  int chk = DHT11.read();
   Blynk.virtualWrite(1, DHT11.temperature);  // Write values to the app
  Blynk.virtualWrite(2, DHT11.humidity);
Serial.println(DHT11.temperature);

  Blynk.run();
  timer.run();
  
}

Credits

11705524 10207718519433933 871861552687634133 o
Kaustubh Agarwal

IOT Enthusiast

Contact

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