ESP8266控制继电器

Cryyen · 发表于 2024-6-18 09:56:42

#include <ESP8266WiFi.h>
#define RELAY 0 //connected to GPIO0
const char *ssid = "WiFi SSID"; // Enter your router or WiFi SSID here
const char *password = "WiFi password"; // Enter your router or WiFi password here
WiFiServer server(80);
void setup()
{
Serial.begin(115200);
pinMode(RELAY, OUTPUT); //Set GPIO0 to output mode.
digitalWrite(RELAY, HIGH); //Set the GPIO0 output level to high.
/* Connect to the WiFi network. */
Serial.println("");
Serial.print("Conneting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) { // If the connection to WiFi fails, retry every 500 milliseconds.
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected.");
/* Start the Server. */
server.begin();
Serial.println("Server started.");
/* Output of the IP address. */
Serial.print("Use this URL to connect: ");
Serial.print("http://");
Serial.print(WiFi.localIP());
Serial.println("/");
}
void loop()
{
/* Check whether a user has established a connection. */
WiFiClient client = server.available();
if (!client)
return;
/* Wait until the user sends data. */
Serial.println("new client.");
while (!client.available())
delay(1);
/* Reading the first line of the request. */
String request = client.readStringUntil('\r');
Serial.println(request);
client.flush();
/* Assignment of the request. */
int value = HIGH;
if (request.indexOf("/RELAY=ON") != -1) {
Serial.println("RELAY=ON");
digitalWrite(RELAY, LOW);
value = LOW;
}
if (request.indexOf("/RELAY=OFF") != -1) {
Serial.println("RELAY=OFF");
digitalWrite(RELAY, HIGH);
value = HIGH;
}
/* Return the answer. */
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("");
client.println("<!DOCTYPE HTML>");
client.println("<html>");
client.println("<meta name='viewport' content='width=device-width, inital-scale=1'>");
client.println("<head><title>ESP8266 RELAY Control</title></head>");
client.println("<style>");
client.println("* {text-align: center; font-family: Conso-las;}");
client.println("");
client.println(".container {position: absolute; top: 45%;");
client.println("left: 50%; transform: translateX(-50%) translateY(-50%);}");
client.println("");
client.println(".inner {font-size: 40px;}");
client.println("");
client.println("a {display: inline-block; width: 300px; height: 100px;");
client.println("color: #FFFF00; background-color: #275C6B;");
client.println("margin-top: 20px; padding: 10px 20px;");
client.println("text-decoration: none; border-radius: 5px;");
client.println("font-weight: 800; font-size: 70px;}");
client.println("</style>");
client.println("<div class='container'>");
client.println("<div class='inner'>");
client.print("RELAY if now: ");
if (value == HIGH)
client.print("OFF");
else
client.print("ON");
client.println("<br>");
client.println("<a href="/RELAY=OFF">OFF</a>");
client.println("<a href="/RELAY=ON">ON</a>");
client.println("<style>");
client.println(".footer-text { font-size: 25px; }");
client.println(".bold-text { font-weight: bold; }");
client.println("</style>");
client.println("<div class='footer'>");
client.println("<p class='footer-text'>This software was written by <span class='bold-text'>Grayson Zheng</span>.</p>");
client.println("</div>");
client.println("</div>");
client.println("</html>");
client.println("");
}

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