基于ESP8266的家用智能wifi家电控制（附带app设计）
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一、需求和思路
1.空调不带wifi，遥控总是找不到，手机没有红外线，只好做一个基于esp8266的局域网红外遥控，顺便做个app。
2.使用esp8266开发板，红外模块一个。
3.使用Android studio制作遥控app。
二、esp8266控制程序
/* * nodemcu引脚对应数字：
* 16=D0;
* 4=D2;
* 0=D3;
* 2=D4;
* 14=D5;
* 12=D6;
* 13=D7;
* 15=D8;
* 3=D9;
* 1=D10;
* 舵机 ->D2--模拟输出
*/
#include <ESP8266WiFi.h>
#include <Servo.h>
#include <Arduino.h>
#include <IRremoteESP8266.h>
#include <IRsend.h>
const uint16_t kIrLed = 4;
IRsend irsend(kIrLed);
//Timestamp : 000155.307Library : v2.7.19
//Protocol : COOLIXCode : 0xB29F40 (24 Bits)Mesg Desc.: Power: On, Mode: 0 (Cool), Fan: 4 (Min), Temp: 24C, Zone Follow: Off, Sensor Temp: Off
uint16_t rawData[119] ={1212, 496, 1186, 478, 418, 1270, 1210, 474, 1212, 498, 396, 1268, 416, 1268, 1210, 500, 394, 1294, 416, 1244, 444, 1266, 394, 7880, 1186, 478, 1230, 456, 414, 1294, 1186, 480, 1206, 500, 394, 1292, 394, 1270, 1206, 482, 414, 1268, 416, 1294, 394, 1270, 418, 7856, 1232, 452, 1210, 502, 418, 1268, 1208, 478, 1184, 502, 392, 1274, 414, 1294, 1210, 454, 416, 1292, 392, 1296, 416, 1268, 392, 7884, 1184, 500, 1186, 504, 414, 1270, 1184, 506, 1206, 478, 394, 1294, 392, 1294, 1198, 488, 392, 1294, 392, 1296, 390, 1294, 414, 7860, 1208, 478, 1210, 478, 392, 1294, 1208, 480, 1206, 480, 392, 1294, 394, 1294, 1206, 478, 418, 1270, 394, 1292, 392, 1296, 392};
// COOLIX B29F40uint64_t data = 0xB29F40;
uint16_t Geli_FanOpen[119] = {1268, 418, 1268, 418, 448, 1238, 1268, 418, 1268, 418, 450, 1238, 448, 1238, 450, 1236, 450, 1238, 448, 1238, 1268, 418, 448, 7828, 1268, 418, 1268, 418, 450, 1236, 1268, 418, 1270, 418, 448, 1238, 450, 1236, 450, 1238, 448, 1238, 448, 1238, 1268, 418, 450, 7828, 1268, 418, 1268, 418, 450, 1236, 1268, 418, 1268, 418, 450, 1236, 448, 1238, 450, 1236, 450, 1236, 450, 1236, 1268, 418, 450, 7826, 1266, 418, 1268, 418, 452, 1234, 1244, 442, 1246, 442, 452, 1234, 452, 1234, 452, 1234, 452, 1234, 452, 1234, 1244, 442, 452, 7824, 1246, 440, 1268, 418, 450, 1236, 1270, 418, 1268, 416, 448, 1238, 446, 1240, 424, 1260, 426, 1260, 430, 1256, 1222, 464, 430};
uint16_t Geli_FanClose[95] = {1268, 418, 1268, 418, 448, 1238, 1268, 418, 1270, 418, 450, 1238, 448, 1240, 448, 1238, 448, 1238, 450, 1236, 448, 1238, 1268, 7008, 1268, 418, 1268, 418, 450, 1238, 1268, 418, 1268, 418, 448, 1238, 448, 1236, 450, 1238, 450, 1236, 450, 1236, 450, 1238, 1268, 7010, 1266, 418, 1268, 418, 450, 1236, 1268, 418, 1268, 418, 450, 1236, 452, 1234, 452, 1236, 452, 1234, 452, 1234, 452, 1234, 1244, 7030, 1244, 440, 1246, 440, 474, 1212, 1270, 416, 1248, 440, 448, 1238, 448, 1238, 448, 1238, 446, 1240, 424, 1260, 426, 1260, 1222};
uint16_t Geli_FanType[95] = {1268, 418, 1268, 418, 448, 1238, 1268, 418, 1268, 418, 448, 1238, 448, 1238, 448, 1238, 448, 1238, 1268, 418, 448, 1238, 448, 7828, 1266, 418, 1268, 418, 448, 1238, 1266, 418, 1268, 418, 448, 1238, 448, 1238, 446, 1238, 472, 1214, 1268, 418, 448, 1238, 448, 7824, 1268, 418, 1268, 418, 448, 1238, 1266, 420, 1268, 418, 450, 1236, 448, 1238, 448, 1238, 448, 1236, 1268, 418, 450, 1236, 448, 7822, 1268, 418, 1268, 418, 450, 1234, 1244, 440, 1268, 418, 472, 1212, 450, 1236, 472, 1214, 446, 1238, 1242, 444, 426, 1260, 430};
uint16_t Geli_FanTimer[71] = {1266, 418, 1268, 418, 448, 1238, 1266, 420, 1268, 418, 448, 1238, 448, 1240, 446, 1238, 1268, 418, 448, 1238, 448, 1238, 448, 7828, 1268, 420, 1268, 418, 448, 1238, 1268, 418, 1268, 418, 448, 1238, 448, 1238, 448, 1238, 1268, 418, 448, 1240, 472, 1214, 448, 7826, 1266, 420, 1268, 418, 448, 1238, 1268, 418, 1266, 420, 448, 1238, 448, 1238, 448, 1236, 1270, 416, 450, 1236, 450, 1236, 450};
#include <ESP8266WiFi.h>
#include <Servo.h>
#ifndef STASSID
#define STASSID "你的wifi" //WiFi名称
#define STAPSK "你的wifi密码" //WiFi密码
#endif
#define ANGLE_ON 76 //开灯时的舵机角度
#define ANGLE_OFF 270 //关灯时的舵机角度
#define ANGLE_NONE 90 //置空时的舵机角度
const char* ssid = STASSID;
const char* password = STAPSK;
int angle=ANGLE_NONE;//舵机角度
Servo myservo; //创造一个servo结构体
//创建服务器实例，指定要监听的端口为80端口
WiFiServer server(80);
void setup() {
Serial.begin(74880);
myservo.attach(4); //舵机信号线，接analogIn脚
myservo.write(angle);// 0~180°
//连接WiFi
Serial.println();
Serial.println();
Serial.print(F("WiFi start connect "));//用F函数将会把字符串放入RAM中，输出至串口
Serial.println(ssid);
WiFi.mode(WIFI_STA);//设置为接收WiFi模式
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(F("."));
}
Serial.println();
Serial.println(F("WiFi已连接！"));
//开启模块的服务器
server.begin();
Serial.println(F("模块服务端已开启！"));
//打印模块的IP地址
Serial.println(WiFi.localIP());
}
void loop() {
//监测客户端是否连接
WiFiClient client = server.available();
if (!client) {
return;//如果未连接就重新循环监测
}
// Serial.println(F("new client"));
client.setTimeout(1000); // default is 1000
//读取请求内容的第一行
String req = client.readStringUntil('\r');
Serial.println(F("请求: "));
Serial.println(req);
//匹配 请求-->信号变量
if (req.indexOf(F("/gpio/0")) != -1) {
angle = ANGLE_ON;//如果/gpio/0在请求内容中，发出开灯的信号
myservo.write(angle);// 0~180°
delay(1000);
myservo.write(ANGLE_NONE);//将舵机重新置空，以免一直受力损坏
}
else if (req.indexOf(F("/gpio/1")) != -1) { //电扇摇头
irsend.sendRaw(rawData, 119, 38);
}
else if (req.indexOf(F("/gpio/2")) != -1) { //电扇开机
irsend.sendRaw(Geli_FanOpen, 119, 38);
}
else if (req.indexOf(F("/gpio/3")) != -1) { //电扇定时
irsend.sendRaw(Geli_FanTimer, 71, 38);
}
else if (req.indexOf(F("/gpio/4")) != -1) { //电扇关机
irsend.sendRaw(Geli_FanClose, 95, 38);
}
else if (req.indexOf(F("/gpio/5")) != -1) { //电扇风类
irsend.sendRaw(Geli_FanType, 95, 38);
}
else {
Serial.println(F("无效请求"));
}
//读取或忽略余下的请求内容
while (client.available()) {
client.read();
}
//向客户端发送回答，HTML网页代码内容
//nagle算法会将它们分组为一个数据包
client.print(F("<!DOCTYPE html>\r\n<html xmlns='http://www.w3.org/1999/xhtml'>\r\n"));
client.print(F("<head>\r\n<meta charset='utf-8'/>\r\n<title>WiFi智能控制</title>\r\n"));
client.print(F("<style type='text/css'>.state{text-align:center;font-size:10px;}"));
client.print(F(".on{text-align:center;font-size:20px;alink='#1a9e5f'}.off{text-align:center;font-size:20px;alink='#da4f43'}"));
client.print(F("</style><body><div class='state'>灯状态："));
client.print((angle>ANGLE_NONE) ? F("关</div>") : F("开</div>"));
client.print(F("<br><br><div class='on'><a href='http://"));//<br>换行
client.print(WiFi.localIP());
client.print(F("/gpio/0'>电脑开</a></div><br><br><div class='off'><a href='http://"));
client.print(WiFi.localIP());
client.print(F("/gpio/1'>电扇摇头</a></div><br><br><div class='off'><a href='http://"));
client.print(WiFi.localIP());
client.print(F("/gpio/2'>电扇开机</a></div><br><br><div class='off'><a href='http://"));
client.print(WiFi.localIP());
client.print(F("/gpio/3'>电扇定时</a></div><br><br><div class='off'><a href='http://"));
client.print(WiFi.localIP());
client.print(F("/gpio/4'>电扇关机</a></div><br><br><div class='off'><a href='http://"));
client.print(WiFi.localIP());
client.print(F("/gpio/5'>电扇风类</a></div></body></html>"));
// 客户端实际上将被“刷新”,然后断开连接
// 当函数返回并且“客户端”对象被销毁时
// 刷新=确保书面数据被服务端接收
Serial.println(F("客户端已挂起！"));
}
注意：1、程序中的遥控代码来自于esp8266的红外接收模块，详情见另外一篇文章。app设计见另一篇文章。
2、程序下载进芯片之后灯带其连接上家里的wifi，就可以去路由器界面查看其ip地址，然后直接访问其ip地址，就会出现控制页面，点击相应按钮，把红外发射器对准要控制的电器，即可控制。
3、我把红外发射器的数据线接在了D14引脚。
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