Control LED and SHT3x via Blynk

1
2// Robo India Tutorial 
3// Digital Output on LED 
4// Hardware:  NodeMCU Blynk Board
5
6
7#define BLYNK_PRINT Serial
8
9#include <ESP8266WiFi.h>
10#include  <BlynkSimpleEsp8266.h>
11#include <SimpleTimer.h>
12#include <Arduino.h>
13#include  <Wire.h>
14#include "Adafruit_SHT31.h"
15Adafruit_SHT31 sht31 = Adafruit_SHT31();
16SimpleTimer  timer;
17char auth[] = "YourAuthToken";            // You should get Auth Token  in the Blynk App.
18char ssid[] = "YourNetworkName";    // Your WiFi credentials.
19char  pass[] = "YourPassword";  // Set password to "" for open networks.
20void setup()
21{
22    Serial.begin(9600);// Debug console
23    Blynk.begin(auth, ssid, pass);
24      if (! sht31.begin(0x44))
25      {   // Set to 0x45 for alternate i2c addr
26    Serial.println("Couldn't find SHT31");
27    while (1) delay(1);
28     }
29    timer.setInterval(2000, sendUptime);
30}
31void sendUptime()
32{
33    float  t = sht31.readTemperature();
34    float h = sht31.readHumidity();
35     //Serial.print("Temp  *C = "); Serial.println(t);
36     //Serial.print("Hum. % = "); Serial.println(h);
37    Blynk.virtualWrite(V0, t);
38    Blynk.virtualWrite(V1, h);
39}
40
41void  loop()
42{
43  Blynk.run();
44  timer.run();
45}
46