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#include <WebServer.h>
/* Put your SSID & Password */
const char* ssid = "David-ESP32"; // Enter SSID here
const char* password = "ESP32-WiFi-dav"; //Enter Password here
/* Put IP Address details */
IPAddress local_ip(192, 168, 1, 1);
IPAddress gateway(192, 168, 1, 1);
IPAddress subnet(255, 255, 255, 0);
WebServer server(80);
uint8_t LED1pin = 4;
bool LED1status = LOW;
uint8_t LED2pin = 5;
bool LED2status = LOW;
void setup() {
Serial.begin(9600);
pinMode(LED1pin, OUTPUT);
pinMode(LED2pin, OUTPUT);
WiFi.softAP(ssid, password);
WiFi.softAPConfig(local_ip, gateway, subnet);
delay(100);
server.on("/", handle_OnConnect);
server.on("/led1on", handle_led1on);
server.on("/led1off", handle_led1off);
server.on("/led2on", handle_led2on);
server.on("/led2off", handle_led2off);
server.onNotFound(handle_NotFound);
server.begin();
Serial.println("HTTP server started");
}
void loop() {
server.handleClient();
if (LED1status)
{
digitalWrite(LED1pin, HIGH);
}
else
{
digitalWrite(LED1pin, LOW);
}
if (LED2status)
{
digitalWrite(LED2pin, HIGH);
}
else
{
digitalWrite(LED2pin, LOW);
}
}
void handle_OnConnect() {
LED1status = LOW;
LED2status = LOW;
Serial.println("GPIO4 Status: OFF | GPIO5 Status: OFF");
server.send(200, "text/html", SendHTML(LED1status, LED2status));
}
void handle_led1on() {
LED1status = HIGH;
Serial.println("GPIO4 Status: ON");
server.send(200, "text/html", SendHTML(true, LED2status));
}
void handle_led1off() {
LED1status = LOW;
Serial.println("GPIO4 Status: OFF");
server.send(200, "text/html", SendHTML(false, LED2status));
}
void handle_led2on() {
LED2status = HIGH;
Serial.println("GPIO5 Status: ON");
server.send(200, "text/html", SendHTML(LED1status, true));
}
void handle_led2off() {
LED2status = LOW;
Serial.println("GPIO5 Status: OFF");
server.send(200, "text/html", SendHTML(LED1status, false));
}
void handle_NotFound() {
server.send(404, "text/plain", "Not found");
}
String SendHTML(uint8_t led1stat, uint8_t led2stat) {
String ptr = "<!DOCTYPE html> <html>n";
ptr += "<head><meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">n";
ptr += "<title>LED Control</title>n";
ptr += "<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}n";
ptr += "body{margin-top: 50px;} h1 {color: #444444;margin: 50px auto 30px;} h3 {color: #444444;margin-bottom: 50px;}n";
ptr += ".button {display: block;width: 80px;background-color: #3498db;border: none;color: white;padding: 13px 30px;text-decoration: none;font-size: 25px;margin: 0px auto 35px;cursor: pointer;border-radius: 4px;}n";
ptr += ".button-on {background-color: #3498db;}n";
ptr += ".button-on:active {background-color: #2980b9;}n";
ptr += ".button-off {background-color: #34495e;}n";
ptr += ".button-off:active {background-color: #2c3e50;}n";
ptr += "p {font-size: 14px;color: #888;margin-bottom: 10px;}n";
ptr += "</style>n";
ptr += "</head>n";
ptr += "<body>n";
ptr += "<h1>ESP32 Web Server</h1>n";
ptr += "<h3>Using Access Point(AP) Mode</h3>n";
if (led1stat)
{
ptr += "<p>LED1 Status: ON</p><a class="button button-off" href="/led1off">OFF</a>n";
}
else
{
ptr += "<p>LED1 Status: OFF</p><a class="button button-on" href="/led1on">ON</a>n";
}
if (led2stat)
{
ptr += "<p>LED2 Status: ON</p><a class="button button-off" href="/led2off">OFF</a>n";
}
else
{
ptr += "<p>LED2 Status: OFF</p><a class="button button-on" href="/led2on">ON</a>n";
}
ptr += "</body>n";
ptr += "</html>n";
return ptr;
}
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