Webserver_nodemcu_LED_ON_OFF_BLINKING_01
Webserver_nodemcu_LED_ON_OFF_BLINKING_01
#include <ESP8266WiFi.h>
const char* ssid = "android1234";
const char* password = "dddddddddd";
int ledPin = 2; //
WiFiServer server(80);
void setup() {
Serial.begin(115200);
delay(10);
pinMode(ledPin, OUTPUT);
digitalWrite(ledPin, HIGH);
// Set WiFi to station mode and disconnect from an AP if it was previously connected
WiFi.mode(WIFI_STA);
WiFi.disconnect();
delay(100);
Serial.println("Setup done");
// 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, LOW);
value = HIGH;
}
if (request.indexOf("/LED=OFF") != -1) {
digitalWrite(ledPin, HIGH);
value = LOW;
}
// 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.println("<head>");
//배경 색 문자 색 사이즈 HTML CSS 설정
client.println("<style>");
client.println("body {");
client.println("background-color: lightblue;");
client.println("}");
client.println("p {");
client.println("color:red;");
client.println("font-size:250%;");
client.println("}");
//버튼 HTML CSS 설정
client.println(".button {");
client.println("background-color: blue;");
client.println("border: none;");
client.println("color: white;");
client.println("padding: 15px 32px;");
client.println("text-align: center;");
client.println("text-decoration: none;");
client.println("display: inline-block;");
client.println("font-size: 20px;");
client.println("margin: 12px 15px;");
client.println("cursor: pointer;");
client.println("}");
client.println("</style>");
client.println("</head>");
client.println("<body>");
client.println("<p>");
client.print(" LED pin is now: ");
if (request.indexOf("/LED=BLINK") != -1 ) {
client.print("BLINK");
for( int i = 0; i<19; i++) {
if(value == HIGH) {
digitalWrite(ledPin, LOW);
delay(50);
digitalWrite(ledPin, HIGH);
delay(50);
}
else {
digitalWrite(ledPin, HIGH);
delay(50);
digitalWrite(ledPin, LOW);
delay(50);
}
}
}
else {
if(value == HIGH) {
client.print(" on");
}
if(value == LOW) {
client.print("OFF");
}
}
client.println("<br><br>");
client.println("<a href=\"/LED=ON\"\" class='button'>Turn on </button></a>");
client.println("<a href=\"/LED=OFF\"\" class='button'>Turn Off </button></a>");
client.println("<a href=\"/LED=BLINK\"\" class='button'>BLINK </button></a>");
client.println("</p>");
client.println("</body>");
client.println("</html>");
delay(1);
Serial.println("Client disonnected");
Serial.println("");
}//프로그렘 끝
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