Xivelyでセンサデータなどのリアルタイムなチャートを作る ref: http://qiita.com/satzz@github/items/cef654f8de52ee06eaf5

file1.txt

curl "api.worldweatheronline.com/free/v1/weather.ashx?q=Tokyo&format=json&num_of_days=1&key=YOUR_WEATHER_API_KEY" | ~/bin/jq  ' { "datastreams": [ { "id": "temp_tokyo", "current_value": ( .data.current_condition[0].temp_C ) } ] }' > /tmp/temp_tokyo; curl https://api.xively.com/v2/feeds/YOUR_XIVELY_FEED_ID -X PUT -H "X-ApiKey: YOUR_XIVELY_API_KEY" --data @/tmp/temp_tokyo

file2.txt

{
  "version": "1.0.0",
  "datastreams": [
    {
      "id": "napion10m0001",
      "current_value": "  0.37"
    },
    {
      "id": "napionAnalog0001",
      "current_value": "497.49"
    },
    {
      "id": "microphone0001",
      "current_value": "396"
    },
    {
      "id": "humidity0001",
      "current_value": " 52.60"
    },
    {
      "id": "temperature0001",
      "current_value": " 27.60"
    },
    {
      "id": "illuminance0001",
      "current_value": "225"
    }
  ]
}

sensors.ino

#include <DHT.h>

#define DHTTYPE DHT22
#define DHT22_PIN 7
DHT dht(DHT22_PIN, DHTTYPE);


int napionAnalogPin = A0;
int illuminancePin  = A1;
int microphonePin   = A2;
int napion10mPin    = 6;
int interval        = 3; //sec
int loopCount       = 100;

String moduleId = "0001";

String feedId = "YOUR_XIVELY_FEED_ID";
String apiKey = "YOUR_XIVELY_API_KEY";
String reqHeader;

void setup() {
  Serial.begin(9600);
  pinMode(napionAnalogPin,    INPUT);
  pinMode(illuminancePin, INPUT);
  pinMode(microphonePin,  INPUT);  
  pinMode(DHT22_PIN,      INPUT);      
  pinMode(napion10mPin,      INPUT);      

  reqHeader = "PUT /v2/feeds/" + feedId +" HTTP/1.1\r\n" + "X-ApiKey: " + apiKey + "\r\n"+"host: api.xively.com\r\n";

}

int illuminanceValue = 0;
int microphoneValue = 0;

void loop() {
  int illuminanceValueMax = 0;
  int microphoneValueMax = 0;

  long napionAnalogValue = 0;
  long napion10mValue = 0;

  for (int sec=0; sec<interval; sec++) {
    for (int j=0; j<loopCount ; j++) {
      delay(10);
      illuminanceValue = analogRead(illuminancePin);
      if (illuminanceValueMax < illuminanceValue) {
        illuminanceValueMax = illuminanceValue;
      }
      microphoneValue = analogRead(microphonePin);
      if (microphoneValueMax  < microphoneValue) {
        microphoneValueMax  = microphoneValue;
      }

      napion10mValue += digitalRead(napion10mPin);
      napionAnalogValue += analogRead(napionAnalogPin);
    }
  }
  float napion10mValueAvg    = 1.0*napion10mValue   /interval/loopCount;
  float napionAnalogValueAvg = 1.0*napionAnalogValue/interval/loopCount;
  char napion10mValueAvgChar[10];
  char napionAnalogValueAvgChar[10];
  dtostrf(napion10mValueAvg,    6, 2, napion10mValueAvgChar);
  dtostrf(napionAnalogValueAvg, 6, 2, napionAnalogValueAvgChar);


  float h  = dht.readHumidity() ;
  float t  = 5.0/9.0*(dht.readTemperature(true)-32.0); // fahrenheit -> celsius
  char ch[10];
  char ct[10];
  dtostrf(h, 6, 2, ch);
  dtostrf(t, 6, 2, ct);

  // HTTP request
  Serial.print(reqHeader);

  String httpBody =  "{\"version\":\"1.0.0\",\"datastreams\" : [  \r\n";
  httpBody.concat(  tuple("napion10m",       String(napion10mValueAvgChar))        + ","        );
  httpBody.concat(  tuple("napionAnalog",    String(napionAnalogValueAvgChar))     + ","        );
  httpBody.concat(  tuple("microphone",      String(microphoneValueMax))    + ","        );
  httpBody.concat(  tuple("humidity",        String(ch))                    + ","        );
  httpBody.concat(  tuple("temperature",     String(ct))                    + ","        );
  httpBody.concat(  tuple("illuminance",     String(illuminanceValueMax))   + " ] }" );

  Serial.print("Content-Length: " + String(httpBody.length()) + "\r\n\r\n");
  Serial.print(httpBody);  

}

String tuple(String channel, String value) {
  return "{\"id\":\"" + channel + moduleId + "\",  \"current_value\" : \"" + value + "\"}";
}