#include const char* ssid = "Willi"; //SSDI des Routers-WLAN const char* password = "77778888"; // Zugang Passwort Router-WLAN int ledPin = D4; WiFiServer server(80); void setup() { Serial.begin(115200); delay(10); pinMode(ledPin, OUTPUT); digitalWrite(ledPin, LOW); // Mit Wifi verbinden Serial.print("Verbinden mit: "); Serial.println(ssid); WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); } Serial.println(""); Serial.println("WiFi verbunden"); // Start des Servers server.begin(); Serial.println("Server gestartet"); // Print the IP address Serial.print("Diese URL zum Verbinden aufrufen: "); Serial.print("http://"); Serial.print(WiFi.localIP()); Serial.println("/"); } void loop() { // Prüfen, ob sich ein Client verbunden hat WiFiClient client = server.available(); if (!client) { return; } // Warten auf Daten vom Client Serial.println("new client"); while(!client.available()){ delay(1); } // Erste Zeile des Requests lesen String request = client.readStringUntil('\r'); Serial.println(request); client.flush(); // Match the request int value = LOW; if (request.indexOf("/LED=OFF") != -1) { digitalWrite(ledPin, HIGH); value = HIGH; } if (request.indexOf("/LED=ON") != -1) { digitalWrite(ledPin, LOW); value = LOW; } // Anfrage zurücksenden client.println("HTTP/1.1 200 OK"); client.println("Content-Type: text/html"); client.println(""); client.println(""); client.println(""); client.print("Die LED ist: "); if(value == HIGH) { client.print("Aus"); } else { client.print("An"); } client.println("

"); client.println(""); client.println("
"); client.println(""); delay(1); Serial.println("Client trennen"); Serial.println(""); }