code: #include // Replace with your network credentials const char* ssid = "ARProjects"; const char* password = "Arafah_Zaid0432@"; // Set web server port number to 80 WiFiServer server(80); // Variable to store the HTTP request String header; // Auxiliar variables to store the current output state String output26State = "off"; String output27State = "off"; // Assign output variables to GPIO pins const int output26 = 26; const int output27 = 27; // Current time unsigned long currentTime = millis(); // Previous time unsigned long previousTime = 0; // Define timeout time in milliseconds (example: 2000ms = 2s) const long timeoutTime = 2000; void setup() { Serial.begin(115200); // Initialize the output variables as outputs pinMode(output26, OUTPUT); pinMode(output27, OUTPUT); // Set outputs to LOW digitalWrite(output26, LOW); digitalWrite(output27, LOW); // Connect to Wi-Fi network with SSID and password Serial.print("Connecting to "); Serial.println(ssid); WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); } // Print local IP address and start web server Serial.println(""); Serial.println("WiFi connected."); Serial.println("IP address: "); Serial.println(WiFi.localIP()); server.begin(); } void loop(){ WiFiClient client = server.available(); // Listen for incoming clients if (client) { // If a new client connects, currentTime = millis(); previousTime = currentTime; Serial.println("New Client."); // print a message out in the serial port String currentLine = ""; // make a String to hold incoming data from the client while (client.connected() && currentTime - previousTime = 0) { Serial.println("GPIO 26 on"); output26State = "on"; digitalWrite(output26, HIGH); } else if (header.indexOf("GET /26/off") >= 0) { Serial.println("GPIO 26 off"); output26State = "off"; digitalWrite(output26, LOW); } else if (header.indexOf("GET /27/on") >= 0) { Serial.println("GPIO 27 on"); output27State = "on"; digitalWrite(output27, HIGH); } else if (header.indexOf("GET /27/off") >= 0) { Serial.println("GPIO 27 off"); output27State = "off"; digitalWrite(output27, LOW); }
// Display the HTML web page client.println(""); client.println(""); client.println(""); // CSS to style the on/off buttons // Feel free to change the background-color and font-size attributes to fit your preferences client.println("html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}"); client.println(".button { background-color: #4CAF50; border: none; color: white; padding: 16px 40px;"); client.println("text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}"); client.println(".button2 {background-color: #555555;}");
// Web Page Heading client.println("ESP32 Web Server");
// Display current state, and ON/OFF buttons for GPIO 26 client.println("GPIO 26 - State " + output26State + ""); // If the output26State is off, it displays the ON button if (output26State=="off") { client.println("ON"); } else { client.println("OFF"); }
// Display current state, and ON/OFF buttons for GPIO 27 client.println("GPIO 27 - State " + output27State + ""); // If the output27State is off, it displays the ON button if (output27State=="off") { client.println("ON"); } else { client.println("OFF"); } client.println("");
// The HTTP response ends with another blank line client.println(); // Break out of the while loop break; } else { // if you got a newline, then clear currentLine currentLine = ""; } } else if (c != ' ') { // if you got anything else but a carriage return character, currentLine += c; // add it to the end of the currentLine } } } // Clear the header variable header = ""; // Close the connection client.stop(); Serial.println("Client disconnected."); Serial.println(""); } }
code:
#include
// Replace with your network credentials
const char* ssid = "ARProjects";
const char* password = "Arafah_Zaid0432@";
// Set web server port number to 80
WiFiServer server(80);
// Variable to store the HTTP request
String header;
// Auxiliar variables to store the current output state
String output26State = "off";
String output27State = "off";
// Assign output variables to GPIO pins
const int output26 = 26;
const int output27 = 27;
// Current time
unsigned long currentTime = millis();
// Previous time
unsigned long previousTime = 0;
// Define timeout time in milliseconds (example: 2000ms = 2s)
const long timeoutTime = 2000;
void setup() {
Serial.begin(115200);
// Initialize the output variables as outputs
pinMode(output26, OUTPUT);
pinMode(output27, OUTPUT);
// Set outputs to LOW
digitalWrite(output26, LOW);
digitalWrite(output27, LOW);
// Connect to Wi-Fi network with SSID and password
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
// Print local IP address and start web server
Serial.println("");
Serial.println("WiFi connected.");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
server.begin();
}
void loop(){
WiFiClient client = server.available(); // Listen for incoming clients
if (client) { // If a new client connects,
currentTime = millis();
previousTime = currentTime;
Serial.println("New Client."); // print a message out in the serial port
String currentLine = ""; // make a String to hold incoming data from the client
while (client.connected() && currentTime - previousTime = 0) {
Serial.println("GPIO 26 on");
output26State = "on";
digitalWrite(output26, HIGH);
} else if (header.indexOf("GET /26/off") >= 0) {
Serial.println("GPIO 26 off");
output26State = "off";
digitalWrite(output26, LOW);
} else if (header.indexOf("GET /27/on") >= 0) {
Serial.println("GPIO 27 on");
output27State = "on";
digitalWrite(output27, HIGH);
} else if (header.indexOf("GET /27/off") >= 0) {
Serial.println("GPIO 27 off");
output27State = "off";
digitalWrite(output27, LOW);
}
// Display the HTML web page
client.println("");
client.println("");
client.println("");
// CSS to style the on/off buttons
// Feel free to change the background-color and font-size attributes to fit your preferences
client.println("html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}");
client.println(".button { background-color: #4CAF50; border: none; color: white; padding: 16px 40px;");
client.println("text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}");
client.println(".button2 {background-color: #555555;}");
// Web Page Heading
client.println("ESP32 Web Server");
// Display current state, and ON/OFF buttons for GPIO 26
client.println("GPIO 26 - State " + output26State + "");
// If the output26State is off, it displays the ON button
if (output26State=="off") {
client.println("ON");
} else {
client.println("OFF");
}
// Display current state, and ON/OFF buttons for GPIO 27
client.println("GPIO 27 - State " + output27State + "");
// If the output27State is off, it displays the ON button
if (output27State=="off") {
client.println("ON");
} else {
client.println("OFF");
}
client.println("");
// The HTTP response ends with another blank line
client.println();
// Break out of the while loop
break;
} else { // if you got a newline, then clear currentLine
currentLine = "";
}
} else if (c != '
') { // if you got anything else but a carriage return character,
currentLine += c; // add it to the end of the currentLine
}
}
}
// Clear the header variable
header = "";
// Close the connection
client.stop();
Serial.println("Client disconnected.");
Serial.println("");
}
}