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esp8266_WebServer.ino
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#include <ESP8266WiFi.h>
// Replace with your network credentials
const char* ssid = "Telecom-52227471";
const char* password = "biagiobotticelliaureliacasalini";
int pinRELAY = 12;
WiFiServer server(80);
void setup(void){
Serial.begin(115200);
delay(10);
pinMode(pinRELAY, OUTPUT);
// Connect to WiFi network
Serial.print("Connecting to: ");
Serial.println(ssid);
WiFi.begin(ssid, password);
Serial.println("");
// Wait for connection
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected!");
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
// Start the server
server.begin();
Serial.println("HTTP server started!");
// Print the IP address
Serial.println("");
Serial.print("Use this URL to connect: ");
Serial.print("http://");
Serial.print(WiFi.localIP());
Serial.println("/");
Serial.println("");
}
void loop(void){
// Check if a client has connected
WiFiClient client = server.available();
if (!client) {
return;
}
// Wait until the client sends some data
Serial.println("New client connection...");
while(!client.available()){
delay(1);
}
// Read the first line of the request
String request = client.readStringUntil('\r');
Serial.print("Request: ");
Serial.println(request);
client.flush();
// Match the request
int value = LOW;
if (request.indexOf("/LIGHT=ON") != -1) {
digitalWrite(pinRELAY, HIGH);
value = HIGH;
}
if (request.indexOf("/LIGHT=OFF") != -1){
digitalWrite(pinRELAY, LOW);
value = LOW;
}
// Set ledPin according to the request
//digitalWrite(ledPin, value);
// Return the response
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println(""); // do not forget this one
client.println("<!DOCTYPE HTML>");
client.println("<html>");
client.println("<FONT face=Helvetica>");
client.println("<h1>ESP8266 Web Client</h1>");
client.println("<h4> Relay <a href=\"/LIGHT=ON\"><button>ON</button></a> <a href=\"/LIGHT=OFF\"><button>OFF</button></a></h4>");
client.println("");
client.print("The light is now: ");
if(value == HIGH) {
client.print("<strong>On</strong>");
} else {
client.print("<strong>Off</strong>");
}
client.println("</FONT></html>");
delay(1);
Serial.println("DONE!");
Serial.println("");
}