Created
October 5, 2025 12:27
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ESP32 LED Webserver
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| #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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