清单esp8266开发版继电器(用去控制220v家庭电路),本实例用LED灯代替。电洛铁 焊锡 电线若干电路图实例代码#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266m
清单
电路图
实例代码
#include <Esp8266WIFI.h> #include <WiFiClient.h> #include <ESP8266WebServer.h> #include <ESP8266mdns.h> const char* ssid = "PDCN"; const char* password = "1234567890"; ESP8266WebServer server(80); String HTML = "<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><title>Priess的小灯</title><body><a href=\"./pin?light=on\"><input type=\"button\" value=\"on\"></a> <a href=\"./pin?light=off\"><input type=\"button\" value=\"off\"></a></body></head></html>"; void pin(){ if(server.arg("light")=="on"){ digitalWrite(D4, LOW); server.send(200, "text/html", html); }else if(server.arg("light")=="off"){ digitalWrite(D4, HIGH); server.send(200, "text/html", html); } } const int led = 13; void handleRoot() { digitalWrite(led, 1); server.send(200, "text/html", html); digitalWrite(led, 0); } void handleNotFound(){ digitalWrite(led, 1); String message = "File Not Found\n\n"; message += "URI: "; message += server.uri(); message += "\nMethod: "; message += (server.method() == HTTP_GET)?"GET":"POST"; message += "\nArguments: "; message += server.args(); message += "\n"; for (uint8_t i=0; i<server.args(); i++){ message += " " + server.argName(i) + ": " + server.arg(i) + "\n"; } server.send(404, "text/plain", message); digitalWrite(led, 0); } void setup(void){ pinMode(D4, OUTPUT); digitalWrite(led, 0); Serial.begin(115200); WiFi.begin(ssid, password); Serial.println(""); // Wait for conNECtion while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); } Serial.println(""); Serial.print("Connected to "); Serial.println(ssid); Serial.print("IP address: "); Serial.println(WiFi.localIP()); if (MDNS.begin("esp8266")) { Serial.println("MDNS responder started"); } server.on("/", handleRoot); server.on("/pin", HTTP_GET,pin); server.on("/inline", [](){ server.send(200, "text/plain", "this works as well"); }); server.onNotFound(handleNotFound); server.begin(); Serial.println("HTTP server started"); } void loop(void){ server.handleClient();