Tutorial: Hello Wi-Fi (EduESP32-S3)

Connect the EduESP32-S3 to a Wi-Fi network and perform an HTTP request.

Requirements

• EduESP32-S3
• Arduino IDE with the esp32 core
• A 2.4 GHz network SSID and password

Connect to Wi-Fi

#include <WiFi.h>

const char* WIFI_SSID = "YOUR_SSID";
const char* WIFI_PASS = "YOUR_PASSWORD";

void setup() {
  Serial.begin(115200);
  delay(500);

  Serial.printf("Connecting to %s ", WIFI_SSID);
  WiFi.mode(WIFI_STA);
  WiFi.begin(WIFI_SSID, WIFI_PASS);

  while (WiFi.status() != WL_CONNECTED) {
    delay(300);
    Serial.print(".");
  }
  Serial.println();
  Serial.print("Connected, IP: ");
  Serial.println(WiFi.localIP());
}

void loop() {}

HTTP GET request

#include <HTTPClient.h>

void fetchExample() {
  if (WiFi.status() != WL_CONNECTED) return;
  HTTPClient http;
  http.begin("https://example.com/");
  int code = http.GET();
  Serial.printf("Status: %d\n", code);
  if (code == 200) {
    Serial.println(http.getString().substring(0, 200));
  }
  http.end();
}

Call fetchExample() periodically from loop().

Access Point mode

WiFi.mode(WIFI_AP);
WiFi.softAP("EduESP32-AP", "12345678");
Serial.println(WiFi.softAPIP());   // defaults to 192.168.4.1

Troubleshooting

• Won't connect: ensure the SSID is on 2.4 GHz; the ESP32-S3 does not support 5 GHz.
• Resets when associating: check the power supply — the Wi-Fi radio draws sharp current peaks.

Next step

Combine Wi-Fi + UART to build a wireless serial bridge.