#include <ESP8266WiFi.h>
#define ON LOW
#define OFF HIGH
const char* ssid = "Your Name Wifi";
const char* password = "Your Password Wifi";
int relay1 = 5; //D1 on ESP Board
int relay2 = 4; //D2 on ESP Board
int relay3 = ; //D3 on ESP Board
int relay4 = 2; //D4 on ESP Board
int value1 = OFF, value2 = OFF, value3 = OFF, value4 = OFF;
WiFiServer server(80);
void setup() {
Serial.begin(115200);
delay(10);
pinMode(relay1, OUTPUT);
pinMode(relay2, OUTPUT);
pinMode(relay3, OUTPUT);
pinMode(relay4, OUTPUT);
digitalWrite(relay1, ON);
digitalWrite(relay2, ON);
digitalWrite(relay3, ON);
digitalWrite(relay4, ON);
// Connect to WiFi network
Serial.println();
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
// Start the server
server.begin();
Serial.println("Server started");
// Print the IP address
Serial.print("Use this URL to connect: ");
Serial.print("http://");
Serial.print(WiFi.localIP());
Serial.println("/");
}
void loop() {
// Check if a client has connected
WiFiClient client = server.available();
if (!client) {
return;
}
// Wait until the client sends some data
Serial.println("new client");
while(!client.available()){
delay(1);
}
// Read the first line of the request
String request = client.readStringUntil('\r');
Serial.println(request);
client.flush();
// Set relay according to the request
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("<fieldset>");
client.println("<font color = red>");
client.print("Control 4 relay Via Wifi");
client.println("</font>");
client.println("</fieldset>");
client.println("<br><br>");
// Return the response relay1
client.print("relay 1 is now: ");
// Control relay 1
if (request.indexOf("/relay1=ON") != -1) {
digitalWrite(relay1, ON);
value1 = ON;
}
if (request.indexOf("/relay1=OFF") != -1) {
digitalWrite(relay1, OFF);
value1 = OFF;
}
if(value1==ON){client.print("ON");}
if(value1==OFF){client.print("OFF");}
client.println("<br><br>");
client.println("<a href=\"/relay1=ON\"\"><button>relay1 ON </button></a>");
client.println("<a href=\"/relay1=OFF\"\"><button>relay1 OFF </button></a><br />");
client.println("</html>");
// Return the response relay2
client.println("<br><br>");
client.print("relay 2 is now: ");
// Control relay 2
if (request.indexOf("/relay2=ON") != -1) {
digitalWrite(relay2, ON);
value2 = ON;
}
if (request.indexOf("/relay2=OFF") != -1) {
digitalWrite(relay2, OFF);
value2 = OFF;
}
if(value2==ON){client.print("ON");}
if(value2==OFF){client.print("OFF");}
client.println("<br><br>");
client.println("<a href=\"/relay2=ON\"\"><button>relay2 ON </button></a>");
client.println("<a href=\"/relay2=OFF\"\"><button>relay2 OFF </button></a><br />");
client.println("</html>");
// Return the response relay3
client.println("<br><br>");
client.print("relay 3 is now: ");
// Control relay 3
if (request.indexOf("/relay3=ON") != -1) {
digitalWrite(relay3, ON);
value3 = ON;
}
if (request.indexOf("/relay3=OFF") != -1) {
digitalWrite(relay3, OFF);
value3 = OFF;
}
if(value3==ON){client.print("ON");}
if(value3==OFF){client.print("OFF");}
client.println("<br><br>");
client.println("<a href=\"/relay3=ON\"\"><button>relay3 ON </button></a>");
client.println("<a href=\"/relay3=OFF\"\"><button>relay3 OFF </button></a><br />");
client.println("</html>");
// Return the response relay4
client.println("<br><br>");
client.print("relay 4 is now: ");
// Control relay 4
if (request.indexOf("/relay4=ON") != -1) {
digitalWrite(relay4, ON);
value4 = ON;
}
if (request.indexOf("/relay4=OFF") != -1) {
digitalWrite(relay4, OFF);
value4 = OFF;
}
if(value4==ON){client.print("ON");}
if(value4==OFF){client.print("OFF");}
client.println("<br><br>");
client.println("<a href=\"/relay4=ON\"\"><button>relay4 ON </button></a>");
client.println("<a href=\"/relay4=OFF\"\"><button>relay4 OFF </button></a><br />");
client.println("</html>");
delay(1);
Serial.println("Client disonnected");
Serial.println("");
}
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