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- /*************************************************************
- This example shows how value can be pushed from Arduino to
- the Blynk App.
- WARNING :
- For this example you'll need Adafruit DHT sensor libraries:
- https://github.com/adafruit/Adafruit_Sensor
- https://github.com/adafruit/DHT-sensor-library
- App project setup:
- Value Display widget attached to V5
- Value Display widget attached to V6
- *************************************************************/
- // Template ID, Device Name and Auth Token are provided by the Blynk.Cloud
- // See the Device Info tab, or Template settings
- #define BLYNK_TEMPLATE_ID "TMPL5H3TsZll"
- #define BLYNK_DEVICE_NAME "Quickstart Device"
- #define BLYNK_AUTH_TOKEN "j57608UnMlDwS6ov3VZHt5yJuFlDNw1C"
- // Comment this out to disable prints and save space
- #define BLYNK_PRINT Serial
- #include <Arduino.h>
- #include <ESP8266WiFi.h>
- #include <WiFiClient.h>
- #include <BlynkSimpleEsp8266.h>
- #include <Adafruit_Sensor.h>
- #include <DHT.h>
- char auth[] = BLYNK_AUTH_TOKEN;
- // Your WiFi credentials.
- // Set password to "" for open networks.
- char ssid[] = "NAMEwifi";
- char pass[] = "PASSWD";
- #define DHTPIN 2 // What digital pin we're connected to
- // 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);
- BlynkTimer 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);
- Blynk.virtualWrite(V6, t);
- }
- void setup()
- {
- // Debug console
- Serial.begin(115200);
- Blynk.begin(auth, ssid, pass);
- // You can also specify server:
- //Blynk.begin(auth, ssid, pass, "blynk.cloud", 80);
- //Blynk.begin(auth, ssid, pass, IPAddress(192,168,0,154), 8080);
- dht.begin();
- // Setup a function to be called every second
- timer.setInterval(1000L, sendSensor);
- }
- void loop()
- {
- Blynk.run();
- timer.run();
- }
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