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node.ino
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node.ino
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#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
#include <ArduinoJson.h>
#include <Ethernet.h>
#include <SPI.h>
#define TRIGGER_PIN 5
#define ECHO_PIN 4
//#include "RestClient.h"
#include "DHT.h"
#define DHTPIN 14 //pin d5= sensor temperatura/humedad
#define DHTTYPE DHT11
DHT dht(DHTPIN, DHTTYPE,15);
#define ARDUINOJSON_USE_DOUBLE 0
int ledPIN = D1; //= Pin LED y Buzzer mismo pin
//para conexion a red
const char* const ssid = "FIBRATVSJR13324";
const char* const password = "wlan8cf6a3";
//variables de programa
const int btn =16; //D0
float h=0;
float t=0;
float s=0;
byte mac[6];
char buf[3];
char buff[100];
String txt="";
void setup(){
//modo de pin
Serial.begin(115200);
//establecer parametro wifi
pinMode(ledPIN , OUTPUT);
WiFi.begin(ssid, password);
//iniciar conexion
while (WiFi.status() != WL_CONNECTED){
delay(1000);
Serial.println("Espere conectando...");
}//Condicion Para Vincular Conexion
Serial.println("** Conexion Establecida **");
dht.begin();
pinMode(TRIGGER_PIN, OUTPUT);
pinMode(ECHO_PIN, INPUT);
pinMode(BUILTIN_LED, OUTPUT);
}//Setup Parametros Consola y conexion.
//Post's Para Bases de Datos.
void post_temp(double h, double t, double s){
//creacion de cliente http
WiFiClient client;
HTTPClient http;
//ruta "de api
http.begin(client, "http://104.248.128.237:5050/nodemcu");
http.addHeader("Content-Type", "application/json");
http.setAuthorization(macAdd());
//creacion de json
StaticJsonBuffer<200> jsonBuffer;
char json[256];
JsonObject& root = jsonBuffer.createObject();
root["humedad"] = h;
root["temperatura"] = t;
root["sonico"] = s;
root.printTo(json, sizeof(json));
Serial.println(json);
//envio de solicitud
int httpCode = http.POST(json);
http.end(); //Close connection
}//Post Temperatura
char * macAdd(){
WiFi.macAddress(mac);
txt="";
for (byte i = 0; i < 6; ++i){
sprintf(buf, "%2X", mac[i]);
txt += buf;
if (i < 5) txt += ':';
}//Formula para conversion de Direccion MAC Address
snprintf( buff, sizeof(buff)-1, "%s", txt.c_str() );
buff[sizeof(buff)] = '\0';
//Serial.println(buff);
return buff;
}//Conversion de MAC address de NodemCU
void loop(){
//enviar datos mientras este conectado
if (WiFi.status() == WL_CONNECTED){
h = dht.readHumidity();
t = dht.readTemperature(true);
t=(t-32);
t=t/(1.800);
long duration,s;
digitalWrite(TRIGGER_PIN, LOW); // Added this line
delayMicroseconds(2); // Added this line
digitalWrite(TRIGGER_PIN, HIGH);
delayMicroseconds(10); // Added this line
digitalWrite(TRIGGER_PIN, LOW);
duration = pulseIn(ECHO_PIN, HIGH);
s = (duration/2) / 29.1;
delay(7000);
post_temp(h,t,s);
}
}