การใช้งาน Arduino Uno WiFi (ตอนที่ 2)

#include < dht.h >
#include < UnoWiFiDevEd.h >
#define BAUD 9600
dht DHT;
WifiData ESPSerial;
#define DHT21_PIN 2

void setup()
{
ESPSerial.begin(BAUD);
ESPSerial.println("DHT TEST PROGRAM ");
ESPSerial.print("LIBRARY VERSION: ");
ESPSerial.println(DHT_LIB_VERSION);
ESPSerial.println();
ESPSerial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)");
}

void loop()
{
// READ DATA
ESPSerial.print("DHT21, \t");
int chk = DHT.read21(DHT21_PIN);
switch (chk)
{
case DHTLIB_OK:
ESPSerial.print("OK,\t");
break;
case DHTLIB_ERROR_CHECKSUM:
ESPSerial.print("Checksum error,\t");
break;
case DHTLIB_ERROR_CONNECT:
ESPSerial.print("Connect error,\t");
break;
case DHTLIB_ERROR_ACK_L:
ESPSerial.print("Ack Low error,\t");
break;
case DHTLIB_ERROR_ACK_H:
ESPSerial.print("Ack High error,\t");
break;
default:
ESPSerial.print("Unknown error,\t");
break;
}
// DISPLAY DATA
ESPSerial.print(DHT.humidity, 1);
ESPSerial.print(",\t");
ESPSerial.println(DHT.temperature, 1);

delay(2000);
}
//
// END OF FILE
//

#include < dht.h >
#include < UnoWiFiDevEd.h >
dht DHT;
#define CONNECTOR "rest"
#define SERVER_ADDR "api.thingspeak.com"
#define DHT21_PIN 2

#define APIKEY_THINGSPEAK "XIY75CA1ZY4WHJXX" //Insert your API Key

short hum = 60;
short temp = 32;
short hum1=30;
short temp1=27;
void setup()
{
Ciao.begin(); // CIAO INIT
}

void loop() {
int chk = DHT.read21(DHT21_PIN);
hum = DHT.humidity;
temp = DHT.temperature;
String uri = "/update?api_key=";
uri += APIKEY_THINGSPEAK;
uri += "&field1=";
uri += String(hum);
uri += "&field2=";
uri += String(temp);
// uri += "&field3=";
// uri += String(hum1);
// uri += "&field4=";
// uri += String(temp1);

Ciao.println("Send data on ThingSpeak Channel");

CiaoData data = Ciao.write(CONNECTOR, SERVER_ADDR, uri);

if (!data.isEmpty()){
Ciao.println( "State: " + String (data.get(1)) );
Ciao.println( "Response: " + String (data.get(2)) );
}
else{
Ciao.println("Write Error");
}

delay(30000); // Thinkspeak policy

}