Created
August 27, 2017 16:12
-
-
Save Antoinebr/7f9d9b3fa8c2b543c15ad79fb81ea180 to your computer and use it in GitHub Desktop.
ESP8266 WiFi
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* | |
* ESP8266 (WeMosD1) WiFi Relay Control | |
* | |
* learnelectronics | |
* 05 JUN 2017 | |
* | |
* www.youtube.com/c/learnelectronics | |
* arduino0169@gmail.com | |
* https://www.youtube.com/watch?v=3bFs_MZVFxw | |
*/ | |
#include <ESP8266WiFi.h> | |
const char* ssid = "xxxxxxxxxxxxx"; | |
const char* password = "zzzzzzzzzzzzzz"; | |
int ledPin = D5; | |
WiFiServer server(80); | |
void setup() { | |
Serial.begin(9600); | |
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 : "); | |
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; | |
} | |
// 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 relay ON<br>"); | |
client.println("Click <a href=\"/LED=OFF\">here</a> Turn relay OFF<br>"); | |
client.println("</html>"); | |
delay(1); | |
Serial.println("Client disconnected"); | |
Serial.println(""); | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment