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6 years ago // DHT Temperature & Humidity Sensor // Unified Sensor Library Example // Written by Tony DiCola for Adafruit Industries // Released under an MIT license.
// Depends on the following Arduino libraries: // - Adafruit Unified Sensor Library: https://github.com/adafruit/Adafruit_Sensor // - DHT Sensor Library: https://github.com/adafruit/DHT-sensor-library
include
include
include
define DHTPIN D2 // Pin which is connected to the DHT sensor.
const int led1 = D4; //ขา13เป็นLED // Uncomment the type of sensor in use: //#define DHTTYPE DHT11 // DHT 11
define DHTTYPE DHT22 // DHT 22 (AM2302)
//#define DHTTYPE DHT21 // DHT 21 (AM2301)
// See guide for details on sensor wiring and usage: // https://learn.adafruit.com/dht/overview
DHT_Unified dht(DHTPIN, DHTTYPE);
uint32_t delayMS;
include
include
const char userid = "000980"; //IoTtweet account user ID (6 digits, included zero pre-fix) const char key = "5fyt7m2kuikp"; //IoTtweet registered device key in "MY IOT Garage" const char ssid = "Apple TV"; //Your-WiFi-router-SSID const char password = "APPLE_TV"; //Your-WiFi-password
float data0, data1, data2, data3; //Your sending data variable. String private_tweet = "สวัสดีครับ"; //Your private tweet meassage to dashboard กดเลือก Tweet privaet panel String public_tweet = "IoT Smart Farm 4.0"; //Your public tweet message to dashboard กดเลือก Tweet public panel
IoTtweet myiot; //naming your devices
void setup() {
Serial.begin(9600);
// Initialize device.
dht.begin();
Serial.println("DHTxx Unified Sensor Example");
// Print temperature sensor details.
sensor_t sensor;
dht.temperature().getSensor(&sensor);
Serial.println("------------------------------------");
Serial.println("Temperature");
Serial.print ("Sensor: "); Serial.println(sensor.name);
Serial.print ("Driver Ver: "); Serial.println(sensor.version);
Serial.print ("Unique ID: "); Serial.println(sensor.sensor_id);
Serial.print ("Max Value: "); Serial.print(sensor.max_value); Serial.println(" C");
Serial.print ("Min Value: "); Serial.print(sensor.min_value); Serial.println(" C");
Serial.print ("Resolution: "); Serial.print(sensor.resolution); Serial.println(" *C");
Serial.println("------------------------------------");
// Print humidity sensor details.
dht.humidity().getSensor(&sensor);
Serial.println("------------------------------------");
Serial.println("Humidity");
Serial.print ("Sensor: "); Serial.println(sensor.name);
Serial.print ("Driver Ver: "); Serial.println(sensor.version);
Serial.print ("Unique ID: "); Serial.println(sensor.sensor_id);
Serial.print ("Max Value: "); Serial.print(sensor.max_value); Serial.println("%");
Serial.print ("Min Value: "); Serial.print(sensor.min_value); Serial.println("%");
Serial.print ("Resolution: "); Serial.print(sensor.resolution); Serial.println("%");
Serial.println("------------------------------------");
// Set delay between sensor readings based on sensor details.
delayMS = sensor.min_delay / 1000;
String libvers = myiot.getVersion(); Serial.println("IoTtweet Library vesion : " + String(libvers));
//Connect WiFi Serial.println("\nConnect wifi..."); bool conn = myiot.begin(ssid,password);
if(!conn)
{
Serial.println("WiFi connection failed.");
}else
{
Serial.println("WiFi connected !");
} }
void loop() {
// Delay between measurements.
delay(delayMS);
// Get temperature event and print its value.
sensors_event_t event;
dht.temperature().getEvent(&event);
if (isnan(event.temperature)) {
Serial.println("Error reading temperature!");
}
else {
Serial.print("Temperature: ");
Serial.print(event.temperature);
Serial.println(" *C");
data0 = event.temperature ;
}
// Get humidity event and print its value.
dht.humidity().getEvent(&event);
if (isnan(event.relative_humidity)) {
Serial.println("Error reading humidity!");
}
else {
Serial.print("Humidity: ");
Serial.print(event.relative_humidity);
Serial.println("%");
data1 = event.relative_humidity;
}
//Example data generating
data2 = random(1,10); data3 = random(20,30);
Serial.print("Random 1 = ");Serial.println(data2); Serial.print("Random 2 = ");Serial.println(data3);
//Send data from your iot to Dashboard String response = myiot.WriteDashboard(userid,key,data0,data1,data2,data3,private_tweet,public_tweet); Serial.println(response); //Show response JSON from www.iottweet.com
//Waiting storage data on IoTtweet cloud 15 sec. delay(15000);
}
iottweet.txt