/* * This sketch sends a message to a TCP server * */ #include #include WiFiMulti WiFiMulti; void setup() { Serial.begin(115200); delay(10); // We start by connecting to a WiFi network WiFiMulti.addAP("SSID", "passpasspass"); Serial.println(); Serial.println(); Serial.print("Waiting for WiFi... "); while(WiFiMulti.run() != WL_CONNECTED) { Serial.print("."); delay(500); } Serial.println(""); Serial.println("WiFi connected"); Serial.println("IP address: "); Serial.println(WiFi.localIP()); delay(500); } void loop() { // const uint16_t port = 80; // const char * host = "192.168.1.1"; // ip or dns const uint16_t port = 1337; const char * host = "192.168.1.10"; // ip or dns Serial.print("Connecting to "); Serial.println(host); // Use WiFiClient class to create TCP connections WiFiClient client; if (!client.connect(host, port)) { Serial.println("Connection failed."); Serial.println("Waiting 5 seconds before retrying..."); delay(5000); return; } // This will send a request to the server //uncomment this line to send an arbitrary string to the server //client.print("Send this data to the server"); //uncomment this line to send a basic document request to the server client.print("GET /index.html HTTP/1.1\n\n"); int maxloops = 0; //wait for the server's reply to become available while (!client.available() && maxloops < 1000) { maxloops++; delay(1); //delay 1 msec } if (client.available() > 0) { //read back one line from the server String line = client.readStringUntil('\r'); Serial.println(line); } else { Serial.println("client.available() timed out "); } Serial.println("Closing connection."); client.stop(); Serial.println("Waiting 5 seconds before restarting..."); delay(5000); }