https://kocoafab.cc/tutorial/view/656

위 글을 보고 그대로 따라하고 있는데

뭘 어떻게 바꿔도 LED Value가 0에서 바뀌질 않습니다

//

Serial Init
[WizFi250] Initializing WizFi250
Attempting to connect to WPA SSID: ****
[WizFi250] Connected to ****
You're connected to the network
SSID: ****
IP Address: 192.168.*.***
Signal strength (RSSI):-39 dBm

[WizFi250] Connecting to thing.ubidots.com
Connecting...
HTTP/1.1 200 OK
Server: nginx/1.10.3
Date: Mon, 24 Jul 2017 13:25:33 GMT
Content-Type: application/json
Transfer-Encoding: chunked
Connection: close
Vary: Accept, Cookie
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS

29c
{"id":"597551fac03f972f68e27367","name":"LED Value","icon":"cloud-upload","unit":null,"label":"led-control","datasource":{"id":"596f06a3c03f9727c66b1b5c","name":"LED Control","url":"http://things.ubidots.com/api/v1.6/datasources/596f06a3c03f9727c66b1b5c"},"url":"http://things.ubidots.com/api/v1.6/variables/597551fac03f972f68e27367","description":null,"properties":{},"tags":[],"created_at":"2017-07-24T01:48:42.403000","last_value":{"timestamp":1500902715805,"context":{},"value":1.0,"id":"5975f53bc03f976e6288f65b"},"last_activity":1500902715000,"type":0,"derived_expr":"","values_url":"http://things.ubidots.com/api/v1.6/variables/597551fac03f972f68e27367/values"}
0

[DISCONNECT 0]
�value : 0
LED is OFF

//

초기는 당연히 이렇게 떠야하지만 ubidots 사이트에서 led value를 계속 바꿔줘도 여전히

value : 0

LED is OFF

로만 뜨네요... 뭐가 잘못된건지 알려주세요ㅠㅠㅠ

소스코드 첨부합니다

==========================================================

#include
#include "WizFi250.h"

int getInt(String input);

//Ubidots information
#define TOKEN      "A1E-SJn4jE8yMZloL5JullKKlnjeJHKPHC"
#define VARID      "597551fac03f972f68e27367"

//Parse JSON
#define PARSE       "\"value\""
#define ENDPARSE    ","

char ssid[] = "haan";       // your network SSID (name)
char pass[] = "haanhaan1";        // your network password
int status = WL_IDLE_STATUS;       // the Wifi radio's status

//Hardware Pin status
#define Pin_LED_Red      8

char server[] = "thing.ubidots.com";

unsigned long lastConnectionTime = 0;         // last time you connected to the server, in milliseconds
const unsigned long postingInterval = 1000L; // delay between updates, in milliseconds

boolean readingVal;
boolean getIsConnected = false;
String valString;
int val, temp;

String rcvbuf;

// Initialize the Ethernet client object
WiFiClient client;

void httpRequest();
void printWifiStatus();

void setup()
{
  // initialize serial for debugging
  Serial.begin(115200);
  Serial.println(F("\r\nSerial Init"));

  pinMode(Pin_LED_Red, OUTPUT);   //added
  digitalWrite(Pin_LED_Red, LOW);

  WiFi.init();

  // check for the presence of the shield
  if (WiFi.status() == WL_NO_SHIELD) {
    Serial.println("WiFi shield not present");
    // don't continue
    while (true);
  }

  // attempt to connect to WiFi network
  while ( status != WL_CONNECTED) {
    Serial.print("Attempting to connect to WPA SSID: ");
    Serial.println(ssid);
    // Connect to WPA/WPA2 network
    status = WiFi.begin(ssid, pass);
  }

  Serial.println("You're connected to the network");

  printWifiStatus();
}

void loop() {
  // if there's incoming data from the net connection send it out the serial port
  // this is for debugging purposes only
  while (client.available()) {
    char c = client.read();
    if ( c != NULL ) {
      if (rcvbuf.length() > 20)
        rcvbuf = "";
      rcvbuf += c;
      Serial.write(c);
    }
    if ( rcvbuf.endsWith("\"value\": ")) {
      readingVal = true;
      valString = "";
    }

    if (readingVal) {
      if (c != '.') {
        valString += c;
      }
      else {
        readingVal = false;
      }
    }
  }
  // if 10 seconds have passed since your last connection,
  // then connect again and send data
  if (millis() - lastConnectionTime > postingInterval) {
    if (getIsConnected) {
      Serial.print(F("value : "));
      val = getInt(valString);
      Serial.println(val);
      Serial.print(F("LED is "));
      //Serial.println(rcv_value);
      if (val) {
        Serial.println(F("ON"));
        digitalWrite(Pin_LED_Red, HIGH);
      }
      else {
        Serial.println(F("OFF"));
        digitalWrite(Pin_LED_Red, LOW);
      }
    }
    
    httpRequest();
  }
  rcvbuf = "";
}

// this method makes a HTTP connection to the server
void httpRequest() {
  Serial.println();

  // close any connection before send a new request
  // this will free the socket on the WiFi shield
  client.stop();

  // if there's a successful connection
  if (client.connect(server, 80)) {
    Serial.println("Connecting...");

    // send the HTTP PUT request
    client.print("GET /api/v1.6/variables/");
    client.print(VARID);
    client.println(" HTTP/1.1");
    client.println("Host: things.ubidots.com");
    client.print("X-Auth-Token: ");
    client.println(TOKEN);
    client.println("Content-Type: application/json");
    client.println("Connection: close\r\n");

    // note the time that the connection was made
    lastConnectionTime = millis();
    getIsConnected = true;
  }
  else {
    // if you couldn't make a connection
    Serial.println("Connection failed");
    getIsConnected = false;
  }
}

void printWifiStatus() {
  // print the SSID of the network you're attached to
  Serial.print("SSID: ");
  Serial.println(WiFi.SSID());

  // print your WiFi shield's IP address
  IPAddress ip = WiFi.localIP();
  Serial.print("IP Address: ");
  Serial.println(ip);

  // print the received signal strength
  long rssi = WiFi.RSSI();
  Serial.print("Signal strength (RSSI):");
  Serial.print(rssi);
  Serial.println(" dBm");
}

int getInt(String input) {
  char carray[20];
  //Serial.println(input);
  input.toCharArray(carray, sizeof(carray));
  //Serial.println(carray);
  temp = atoi(carray);
  return temp;
}

==========================================================

ubidots 값 변화 입니다.