Freenove ESP32-S3 User Manual

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89
Chapter 6 TCP/IP
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Sketch_06.1_As_Client
The following is the program code:
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#include <WiFi.h>
const char *ssid_Router = "********"; //Enter the router name
const char *password_Router = "********"; //Enter the router password
#define REMOTE_IP "********" //input the remote server which is you want to connect
#define REMOTE_PORT 8888 //input the remote port which is the remote provide
WiFiClient client;
void setup() {
Serial.begin(115200);
delay(10);
WiFi.begin(ssid_Router, password_Router);
Serial.print("\nWaiting for WiFi... ");
while (WiFi.status() != WL_CONNECTED) {
Serial.print(".");
delay(500);
}
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
delay(500);
Serial.print("Connecting to ");
Serial.println(REMOTE_IP);
while (!client.connect(REMOTE_IP, REMOTE_PORT)) {
Serial.println("Connection failed.");
Serial.println("Waiting a moment before retrying...");
}
Serial.println("Connected");
client.print("Hello\n");
client.print("This is my IP.\n");
}
void loop() {
if (client.available() > 0) {
delay(20);
//read back one line from the server
String line = client.readString();
Serial.println(REMOTE_IP + String(":") + line);

Freenove ESP32-S3 Specifications

General

Brand	Freenove
Model	ESP32-S3
Category	Control Unit
Language	English