Wiring
Check pinout, power supply, common GND and voltage levels before connecting the module.
Full code
#include <WiFi.h>
#include <HTTPClient.h>
void setup() {
Serial.begin(115200);
WiFi.begin("YOUR_WIFI", "YOUR_PASSWORD");
while (WiFi.status() != WL_CONNECTED) delay(500);
HTTPClient http;
http.begin("http://example.com");
Serial.println(http.GET());
http.end();
}
void loop() {}How it works
This lesson matches the page title and gives a clean starting point for this exact example.
Common mistakes
Check board selection, wiring, libraries, power supply and serial monitor baud rate.