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@michidk
Created October 5, 2025 12:27
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ESP32 LED Webserver
#include <WiFi.h>
#include <WebServer.h>
#define LED_PIN 2 // Abhaenig vom Board
WebServer server(80);
const char* SSID = "WiFi Name";
const char* PASSWORD = "passwort123";
void handleRoot() {
String html =
"<html><body>"
"<h1>LED Steuerung</h1>"
"<p><a href=\"/on\"><button>LED AN</button></a></p>"
"<p><a href=\"/off\"><button>LED AUS</button></a></p>"
"</body></html>";
server.send(200, "text/html", html);
}
void handleOn() {
digitalWrite(LED_PIN, HIGH);
server.sendHeader("Location", "/");
server.send(303); // Redirect zurück auf die Startseite
}
void handleOff() {
digitalWrite(LED_PIN, LOW);
server.sendHeader("Location", "/");
server.send(303); // Redirect zurück auf die Startseite
}
void setup() {
pinMode(LED_PIN, OUTPUT);
digitalWrite(LED_PIN, LOW);
Serial.begin(115200);
WiFi.mode(WIFI_STA);
WiFi.begin(SSID, PASSWORD);
// Warten bis verbunden
while (WiFi.status() != WL_CONNECTED) {
delay(250);
}
// Routen registrieren
server.on("/", handleRoot);
server.on("/on", handleOn);
server.on("/off", handleOff);
server.begin();
// Optional: IP loggen
Serial.print("IP: ");
Serial.println(WiFi.localIP());
}
void loop() {
server.handleClient();
}
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