Created
January 2, 2020 11:41
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#define BLYNK_PRINT Serial // Comment this out to disable prints and save space | |
#include <SPI.h> | |
#include <ESP8266WiFi.h> | |
#include <BlynkSimpleEsp8266.h> | |
#include <SimpleTimer.h> | |
#include <DHT.h> | |
// You should get Auth Token in the Blynk App. | |
// Go to the Project Settings (nut icon). | |
char auth[] = " "; //Enter the Auth code which was send by Blink | |
// Your WiFi credentials. | |
// Set password to "" for open networks. | |
char ssid[] = " "; //Enter your WIFI Name | |
char pass[] = " "; //Enter your WIFI Password | |
#define DHTPIN 2 // Digital pin 4 | |
// Uncomment whatever type you're using! | |
#define DHTTYPE DHT11 // DHT 11 | |
//#define DHTTYPE DHT22 // DHT 22, AM2302, AM2321 | |
//#define DHTTYPE DHT21 // DHT 21, AM2301 | |
DHT dht(DHTPIN, DHTTYPE); | |
SimpleTimer timer; | |
// This function sends Arduino's up time every second to Virtual Pin (5). | |
// In the app, Widget's reading frequency should be set to PUSH. This means | |
// that you define how often to send data to Blynk App. | |
void sendSensor() | |
{ | |
float h = dht.readHumidity(); | |
float t = dht.readTemperature(); // or dht.readTemperature(true) for Fahrenheit | |
if (isnan(h) || isnan(t)) { | |
Serial.println("Failed to read from DHT sensor!"); | |
return; | |
} | |
// You can send any value at any time. | |
// Please don't send more that 10 values per second. | |
Blynk.virtualWrite(V5, h); //V5 is for Humidity | |
Blynk.virtualWrite(V6, t); //V6 is for Temperature | |
} | |
void setup() | |
{ | |
Serial.begin(9600); // See the connection status in Serial Monitor | |
Blynk.begin(auth, ssid, pass); | |
dht.begin(); | |
// Setup a function to be called every second | |
timer.setInterval(1000L, sendSensor); | |
} | |
void loop() | |
{ | |
Blynk.run(); // Initiates Blynk | |
timer.run(); // Initiates SimpleTimer | |
} |
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