Połączenie ESP8266 z WiFi
Przykład wypisania IP
#include <ESP8266WiFi.h>
const char* ssid =""; // Type your wifi ssid
const char* password = ""; // Type your wifi password
void setup()
{
Serial.begin(115200);
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
// Print the IP address
Serial.print("http://");
Serial.print(WiFi.localIP());
Serial.println("/");
}
void loop() {}Przykład: połączenie Esp8266 z Wifi, przełączanie LED za pomocą lokalnego adresu www
#include <ESP8266WiFi.h>
const char* ssid ="";
const char* password = "";
int ledPin = 2;
WiFiServer server(80);//Service Port
void setup()
{
Serial.begin(115200);
delay(10);
pinMode(ledPin, OUTPUT);
digitalWrite(ledPin, LOW);
// Connect to WiFi network
Serial.println();
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
// Start the server
server.begin();
Serial.println("Server started");
// Print the IP address
Serial.print("Use this URL to connect: ");
Serial.print("http://");
Serial.print(WiFi.localIP());
Serial.println("/");
}
void loop() {
// Check if a client has connected
WiFiClient client = server.available();
if (!client) return;
// Wait until the client sends some data
Serial.println("new client");
while(!client.available()) delay(1);
// Read the first line of the request
String request = client.readStringUntil('\r');
Serial.println(request);
client.flush();
// Match the request
int value = LOW;
if (request.indexOf("/LED=ON") != -1) {
digitalWrite(ledPin, HIGH);
value = HIGH;
}
if (request.indexOf("/LED=OFF") != -1){
digitalWrite(ledPin, LOW);
value = LOW;
}
//Set ledPin according to the request
//digitalWrite(ledPin, value);
// Return the response
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println(""); // do not forget this one
client.println("<!DOCTYPE HTML>");
client.println("<html>");
client.print("Led pin is now: ");
if(value == HIGH) {
client.print("On");
} else {
client.print("Off");
}
client.println("<br><br>");
client.println("Click <a href=\"/LED=ON\">here</a> turn the LED on pin 2 ON<br>");
client.println("Click <a href=\"/LED=OFF\">here turn the LED on pin 2 OFF<br>");
client.println("</html>");
delay(1);
Serial.println("Client disconnected");
Serial.println("");
}Zobacz: Przygotowanie Arduino IDE pod płytki ESP8266 i ESP32
