Interacción de Spark Core con un servidor web:
Con Spark core podemos enviar datos de nuestros sensores a una pagina web y monitorear los datos de tus sensores desde cualquier parte.
Material:
-Una sensor de Humedad RHTo3
-Una resistencia de 10kohm
-Cables Jumper
-Protoboard
Conexiones:
Librerias Spark Core:
Código Spark Core:
// This #include statement was automatically added by the Spark IDE.
#include "Adafruit_DHT/Adafruit_DHT.h"
// This #include statement was automatically added by the Spark IDE.
#include "HttpClient/HttpClient.h"
HttpClient http;
#define VARIABLE_ID "53f6caea76254277ef8837cd"
#define VARIABLE_ID2 "53f63fa576254235bec59148"
#define TOKEN "cfaI5R1bcr7wlwf58hAnNZNNvfSoUk"
int lightLevel = 0;
#define DHTPIN 2 // what pin we're connected to
// Uncomment whatever type you're using!
#define DHTTYPE DHT11 // DHT 11
DHT dht(DHTPIN, DHTTYPE);
// Reading temperature or humidity takes about 250 milliseconds!
// Sensor readings may also be up to 2 seconds 'old' (its a
// very slow sensor)
// Read temperature as Celsius
// Headers currently need to be set at init, useful for API keys etc.
http_header_t headers[] = {
{ "Content-Type", "application/json" },
{ "X-Auth-Token" , TOKEN },
{ NULL, NULL } // NOTE: Always terminate headers will NULL
};
http_request_t request;
http_response_t response;
void setup() {
request.hostname = "things.ubidots.com";
request.port = 80;
Serial.begin(9600);
dht.begin();
}
void loop() {
float h = dht.getHumidity();
float t = dht.getTempCelcius();
request.path = "/api/v1.6/variables/"VARIABLE_ID"/values";
request.body = "{\"value\":" + String(t) + "}";
http.post(request, response, headers);
Serial.println(response.body);
request.path = "/api/v1.6/variables/"VARIABLE_ID2"/values";
request.body = "{\"value\":" + String(h) + "}";
http.post(request, response, headers);
Serial.println(response.body);
Serial.print("la temperatura es: ");
Serial.println(t);
Serial.print("la humedad relativa es: ");
Serial.println(h);
delay(2000);
}
Ubidots:
Crea tu cuenta en Ubidots: http://ubidots.com/
Y sigué los pasos:
Crear Widget:
Crear nueva data con ecuaciones:
