아두이노 WiFi : Web Server 만들기

작성자 임베디드코리아 작성일25-05-16 00:49 조회135회 댓글0건

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WiFi_WebServer.ino (2.9K) 0회 다운로드 DATE : 2025-05-24 21:20:40

<* 아두이노 WiFi : Web Server 만들기 *>

----< Arduino WiFi ESP8266 모듈을 Web Server 만들기 소스 코드 > ----------------------
#include <WiFiEsp.h>
#include <SoftwareSerial.h>

SoftwareSerial EspSerial(6, 7); // RX, TX

char ssid[] = "Twim"; // your network SSID (name)
char pass[] = "12345678"; // your network password

int status = WL_IDLE_STATUS; // the Wifi radio's status
int reqCount = 0; // number of requests received

WiFiEspServer server(80);

void setup() {
Serial.begin(9600);
EspSerial.begin(9600); // initialize serial for ESP module
WiFi.init(&EspSerial); // initialize ESP module

/* check for the presence of the shield */
if (WiFi.status() == WL_NO_SHIELD) {
Serial.println("WiFi shield not present");
// don't continue
while (true);
}

/* attempt to connect to WiFi network */
while ( status != WL_CONNECTED) {
Serial.print("Attempting to connect to WPA SSID: ");
Serial.println(ssid);

status = WiFi.begin(ssid, pass); // Connect to WPA/WPA2 network
}

Serial.println("You're connected to the network");
printWifiStatus();

server.begin(); // start the web server on port 80
}

void loop() {

WiFiEspClient client = server.available(); // listen for incoming clients
if (client) {
Serial.println("New client");

boolean currentLineIsBlank = true; // an http request ends with a blank line
while (client.connected()) {
if (client.available()) {
char c = client.read();
Serial.write(c);

if (c == '\n' && currentLineIsBlank) {
Serial.println("Sending response");

/* html */
client.print(
"HTTP/1.1 200 OK\r\n"
"Content-Type: text/html\r\n"
"Connection: close\r\n"
"Refresh: 20\r\n" // refresh the page automatically every 20 sec
"\r\n");
client.print("<!DOCTYPE HTML>\r\n");
client.print("<html>\r\n");
client.print("<h1> Embedded Korea!</h1>\r\n");
client.print("<br>\r\n");
client.print("</html>\r\n");
break;
}

if (c == '\n') {
// you're starting a new line
currentLineIsBlank = true;
}
else if (c != '\r') {
// you've gotten a character on the current line
currentLineIsBlank = false;
}
}
}
// give the web browser time to receive the data
delay(10);

// close the connection:
client.stop();
Serial.println("Client disconnected");
}

}

void printWifiStatus(){
/* print the SSID of the network you're attached to */
Serial.print("SSID: ");
Serial.println(WiFi.SSID());

/*print your WiFi shield's IP address */
IPAddress ip = WiFi.localIP();
Serial.print("IP Address: ");
Serial.println(ip);

/* print where to go in the browser */
Serial.println();
Serial.print("To see this page in action, open a browser to http://");
Serial.println(ip);
Serial.println();
}