Smart Connected Open Source Pot (Scopot)

#include <SPI.h>
#include <WiFi101.h>

char ssid [] = "Wifi SSID";
char password [] = "Wifi Password";
int keyIndex = 0;
int status = WL_IDLE_STATUS;

#define errorPin 6
const int sleepTimeS = 20;// Time to sleep (in seconds):
long lastReadingTime = 0;
WiFiClient client;

String idvariable = "ubidots_variable_id";
String token = "ubidots_token";
int Relay = 12; 
const int sensorMin = 0;      // sensor minimum, discovered through experiment
const int sensorMax = 1023;    // sensor maximum, discovered through experiment

//////////////////////////////////////////////////////////////////////////////////

void setup(){

  pinMode(errorPin, OUTPUT);
  pinMode(Relay, OUTPUT);
  

  for (int i=0;i<4; i++){   // let know we are working
    digitalWrite(errorPin ,HIGH);
    delay(200);
    digitalWrite(errorPin ,LOW);
    delay(200);
  }

  // Create an instance of the server
  // specify the port to listen on as an argument

  WiFiServer server(80);
  Serial.begin(9600);
  delay(10);

 
   if (WiFi.status() == WL_NO_SHIELD) {
    Serial.println("WiFi shield not present");
    // don't continue:
    while (true);
  }
 int n = WiFi.scanNetworks();
  Serial.println("scan done");
 
  if (n == 0){
    Serial.println("no networks found");
    Serial.println("Going into sleep");
// ESP.deepSleep(sleepTimeS * 1000000);
  }

  while (status != WL_CONNECTED) {
    delay(500);
    Serial.print("Attempting to connect to SSID: ");
    Serial.println(ssid);
    status = WiFi.begin(ssid, password);
    delay(10000);
  }
  
  Serial.println("");
  Serial.println("WiFi connected");
  printWifiStatus();

  // Start the server
  server.begin();
  Serial.println("WiFi Server started");
 


}

////////////////////////////////////////////////////////////////////////////////

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");
}
void loop(){
  int value = (analogRead(A0));
  ubiSave_value(String(value));
  
  Serial.println("Ubidots data");
  Serial.println(value);
  Serial.println(" Going to Sleep for a while !" );

 
  delay(10000);// change this for the upload data time to ubidots 
  
}

void ubiSave_value(String value) {
  // if you get a connection, report back via serial:
  int num=0;
  String var = "{\"value\": " + String(value)+"}";
  num = var.length();
  if (client.connect("things.ubidots.com", 80)) {
    Serial.println("connected ubidots");
    delay(100);
    client.println("POST /api/v1.6/variables/"+idvariable+"/values HTTP/1.1");
    Serial.println("POST /api/v1.6/variables/"+idvariable+"/values HTTP/1.1");
    client.println("Content-Type: application/json");
    Serial.println("Content-Type: application/json");
    client.println("Content-Length: "+String(num));
    Serial.println("Content-Length: "+String(num));
    client.println("X-Auth-Token: "+token);
    Serial.println("X-Auth-Token: "+token);
    client.println("Host: things.ubidots.com\n");
    Serial.println("Host: things.ubidots.com\n");
    client.print(var);
    Serial.print(var+"\n");

  }
  else {
    // if you didn't get a connection to the server:
    Serial.println("ubidots connection failed");
  }

  if (!client.connected()) {
    Serial.println("NotConnected");
    Serial.println("disconnecting ubidots.");
    client.stop();
    // do nothing forevermore:
    for(;;);
  }

  if (client.available()) {
    char c = client.read();
    Serial.print(c);
  }
}