post data with esp8266
/*
* HTTP Client POST Request
* Copyright (c) 2018, circuits4you.com
* All rights reserved.
* https://circuits4you.com
* Connects to WiFi HotSpot. */
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266HTTPClient.h>
/* Set these to your desired credentials. */
const char *ssid = "circuits4you.com"; //ENTER YOUR WIFI SETTINGS
const char *password = "yourPassword";
//Web/Server address to read/write from
const char *host = "192.168.43.128"; //https://circuits4you.com website or IP address of server
//=======================================================================
// Power on setup
//=======================================================================
void setup() {
delay(1000);
Serial.begin(115200);
WiFi.mode(WIFI_OFF); //Prevents reconnection issue (taking too long to connect)
delay(1000);
WiFi.mode(WIFI_STA); //This line hides the viewing of ESP as wifi hotspot
WiFi.begin(ssid, password); //Connect to your WiFi router
Serial.println("");
Serial.print("Connecting");
// Wait for connection
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
//If connection successful show IP address in serial monitor
Serial.println("");
Serial.print("Connected to ");
Serial.println(ssid);
Serial.print("IP address: ");
Serial.println(WiFi.localIP()); //IP address assigned to your ESP
}
//=======================================================================
// Main Program Loop
//=======================================================================
void loop() {
HTTPClient http; //Declare object of class HTTPClient
String ADCData, station, postData;
int adcvalue=analogRead(A0); //Read Analog value of LDR
ADCData = String(adcvalue); //String to interger conversion
station = "A";
//Post Data
postData = "status=" + ADCData + "&station=" + station ;
http.begin("http://192.168.43.128/c4yforum/postdemo.php"); //Specify request destination
http.addHeader("Content-Type", "application/x-www-form-urlencoded"); //Specify content-type header
int httpCode = http.POST(postData); //Send the request
String payload = http.getString(); //Get the response payload
Serial.println(httpCode); //Print HTTP return code
Serial.println(payload); //Print request response payload
http.end(); //Close connection
delay(5000); //Post Data at every 5 seconds
}
//=======================================================================