为了给家里实现远程自动开空调，也为了试试AI编程，顺便发个文章证明本人还活着。
实现的功能大概就是连wifi，监测室温，控制空调。单片机用的nodemcu，温度检测用的SHT30，红外发射等是专门在网上买的那个大功率版的发射模块，实际用起来还不错。
以前要写这样的一段程序还是挺费劲的，涉及到几个类库的使用，web前端样式怎么也得美化一下等等，但是现在只要把你的需求告诉AI，它就会把代码给你。我是用deepseek给我生成的代码，就随便写了需求如下：
帮我写程序，功能为使用ESP8266单片机，通过web端控制空调，wifi连接使用"ESP8266WiFiMulti"以便使用多个SSID，红外发送使用HeatpumpIR库里的GreeYAPHeatpumpIR类，通过SHT30模块获取当前温度并在网页上显示，监测到温度大于28度自动打开空调然后deepseek就刷刷的出代码，还有教你怎么接线，注意什么问题，简直贴心好用。
所需硬件准备
ESP8266 开发板 (如 NodeMCU, Wemos D1 mini)
SHT30 温湿度传感器模块 (使用 I2C 接口)
红外发射二极管 (并串联一个 100Ω 左右的电阻)
NPN 三极管 (如 S8050)，用于驱动红外二极管以增加发射距离
以及面包板、杜邦线等连接线材
硬件接线说明
建议接线如下，确保所有设备共地连接。
SHT30 传感器
VCC → ESP8266 3.3V
GND → ESP8266 GND
SCL → ESP8266 GPIO 5 (D1)
SDA → ESP8266 GPIO 4 (D2)
红外发射部分 (以 GPIO 14 (D5) 为例)
通过 1kΩ 电阻连接 GPIO 14 到三极管的基极 (B)。
发射极 (E) 连接到 GND。
集电极 (C) 连接到红外二极管的负极。
红外二极管正极通过 100Ω 限流电阻连接到 3.3V。
完整程序代码
修改WiFi列表：将代码开头的 wifiMulti.addAP() 函数里的 SSID 和密码换成你家里的。
安装必要库：通过 Arduino IDE 的库管理器，搜索并安装以下库：
HeatpumpIR by Toni Arte
Adafruit SHT31 (也能驱动 SHT30)
烧录与测试：
将代码烧录到 ESP8266 后，打开串口监视器 (115200 波特率)。
等待 WiFi 连接成功，记下打印出的 IP 地址。
在手机或电脑浏览器输入这个 IP 地址，就能看到控制界面了。
自动模式体验：把空调温度设为高于 28℃ 或低于 25℃，网页状态和空调会根据室温自动调节。你也可以在网页上随时“手动”或“自动”切换模式。// 空调控制器 - 基于ESP8266，WebUI，SHT30温度和HeatpumpIR库 (Gree YAP协议)
#include <ESP8266WiFi.h>
#include <ESP8266WiFiMulti.h>
#include <ESP8266WebServer.h>
#include <GreeHeatpumpIR.h>
#include <Adafruit_SHT31.h>
// ========== WiFi 配置：在这里填入你要连接的网络 ==========
ESP8266WiFiMulti wifiMulti;
// ========== Web 服务器配置：监听端口 80 ==========
ESP8266WebServer server(80);
// ========== 空调配置 (Gree YAP 协议) ==========
#define IR_LED_PIN 14 // D5 (GPIO14)，红外发射引脚
IRSenderBitBang irSender(IR_LED_PIN); // 红外信号发射器
HeatpumpIR *heatpump = new GreeYAPHeatpumpIR(); // 实际使用 Gree YAP 协议
// 空调运行参数
bool currentPowerState = false; // 当前电源状态 (true: 开, false: 关)
uint8_t currentMode = MODE_AUTO; // 运行模式 (MODE_AUTO, MODE_COOL, MODE_HEAT, MODE_FAN, MODE_DRY)
uint8_t currentFan = FAN_AUTO; // 风速 (FAN_AUTO, FAN_1, FAN_2, FAN_3, FAN_4, FAN_5, FAN_SILENT)
uint8_t currentTemp = 24; // 目标温度 (16-30℃)
bool currentSwingV = false; // 上下扫风
bool currentSwingH = false; // 左右扫风
// ========== 温湿度传感器 (SHT30) ==========
Adafruit_SHT31 sht31; // I2C 地址默认 0x44
float currentTemperature = 0.0; // 当前室温
float currentHumidity = 0.0;
// ========== 自动温控逻辑 ==========
bool autoModeEnabled = true; // 自动模式开关 (true: 自动, false: 手动)
unsigned long lastSensorRead = 0;
const unsigned long sensorReadInterval = 5000; // 每 5 秒读一次传感器
unsigned long lastAutoCheck = 0;
const unsigned long autoCheckInterval = 60000; // 每分钟进行一次自动控制检查
unsigned long lastIRSend = 0;
const unsigned long irRepeatInterval = 5000; // 每 5 秒重复发射上次指令，提高可靠性
uint8_t lastIRCommand[8]; // 存储上次发送的完整指令
bool lastIRCommandValid = false;
// ========== 红外指令发送函数 ==========
void sendIRCmd() {
if (!heatpump) return;
// 根据协议构建指令
heatpump->send(irSender, currentPowerState, currentMode, currentFan, currentTemp, currentSwingV, currentSwingH);
Serial.print("发送红外指令：");
Serial.print(currentPowerState ? "开" : "关");
Serial.print("，模式：");
switch(currentMode) {
case MODE_AUTO: Serial.print("自动"); break;
case MODE_COOL: Serial.print("制冷"); break;
case MODE_HEAT: Serial.print("制热"); break;
case MODE_FAN: Serial.print("送风"); break;
case MODE_DRY: Serial.print("除湿"); break;
}
Serial.print("，温度："); Serial.print(currentTemp);
Serial.print("°C，风速："); Serial.print(currentFan);
Serial.print("，扫风："); Serial.print(currentSwingV ? "开" : "关");
Serial.println();
// 记录发送时间和状态
lastIRSend = millis();
}
// ========== 传感器数据读取 ==========
void readSensor() {
if (sht31.begin(0x44)) { // 尝试读取传感器
currentTemperature = sht31.readTemperature(); // 摄氏温度
currentHumidity = sht31.readHumidity(); // 相对湿度
// 数据有效性检查
if (isnan(currentTemperature)) currentTemperature = -999.0;
if (isnan(currentHumidity)) currentHumidity = -999.0;
Serial.printf("室温：%.1f°C，湿度：%.1f%%\n", currentTemperature, currentHumidity);
} else {
Serial.println("无法读取SHT30传感器数据，请检查I2C连接。");
currentTemperature = -999.0; // 标记为无效数据
currentHumidity = -999.0;
}
}
// ========== 自动空调控制逻辑（根据室温） ==========
void autoControl() {
// 如果自动模式未启用、传感器无效或未准备就绪，则跳过自动控制
if (!autoModeEnabled) return;
if (currentTemperature <= -990.0) return;
if (heatpump == nullptr) return;
bool needChange = false;
// 根据温度上下阈值自动调整空调状态
if (currentPowerState == false && currentTemperature > 28.0) {
Serial.println("【自动控制】室温超过28°C，自动开启空调。");
currentPowerState = true;
// 使用最后一次用户设定的模式（避免自动切换模式），如果从未设定则可默认为制冷
needChange = true;
}
else if (currentPowerState == true && currentTemperature < 25.0) {
Serial.println("【自动控制】室温低于25°C，自动关闭空调。");
currentPowerState = false;
needChange = true;
}
if (needChange) {
sendIRCmd();
updateWebStatus(); // 更新网页显示（通过自动刷新实现，也可以直接调用该函数，但需定义在前）
}
}
// ========== Web 页面生成（含实时状态） ==========
String generateWebPage() {
String modeStr = "";
switch(currentMode) {
case MODE_AUTO: modeStr = "自动"; break;
case MODE_COOL: modeStr = "制冷"; break;
case MODE_HEAT: modeStr = "制热"; break;
case MODE_FAN: modeStr = "送风"; break;
case MODE_DRY: modeStr = "除湿"; break;
}
String fanStr = "";
switch(currentFan) {
case FAN_AUTO: fanStr = "自动"; break;
case FAN_1: fanStr = "低档"; break;
case FAN_2: fanStr = "中低档"; break;
case FAN_3: fanStr = "中档"; break;
case FAN_4: fanStr = "中高档"; break;
case FAN_5: fanStr = "高档"; break;
case FAN_SILENT: fanStr = "静音"; break;
default: fanStr = "未知";
}
String page = "<!DOCTYPE html><html><head><meta charset='UTF-8'>";
page += "<title>ESP8266 智能空调控制器</title>";
page += "<meta name='viewport' content='width=device-width, initial-scale=1'>";
page += "<style>";
page += "body{font-family:Arial;background:#f0f0f0;text-align:center;margin:20px;}";
page += ".container{max-width:500px;margin:auto;background:white;border-radius:20px;padding:20px;box-shadow:0 0 20px rgba(0,0,0,0.1);}";
page += "h1{color:#333;}";
page += ".sensor-info{background:#e8f5e9;border-radius:10px;padding:15px;margin-bottom:20px;font-size:18px;}";
page += ".control-group{margin:15px 0;text-align:left;}";
page += "label{font-weight:bold;display:block;margin-bottom:5px;color:#555;}";
page += "select,input[type='range'],input[type='number']{width:100%;padding:8px;border-radius:5px;border:1px solid #ccc;box-sizing:border-box;}";
page += "button{background:#4CAF50;color:white;border:none;padding:12px 20px;border-radius:25px;font-size:16px;cursor:pointer;margin-top:15px;width:100%;}";
page += "button:hover{background:#45a049;}";
page += ".auto-badge{display:inline-block;background:#ff9800;color:white;border-radius:15px;padding:5px 15px;margin:10px auto;font-size:14px;}";
page += "</style>";
page += "<script>";
page += "function updateTemp(value){document.getElementById('tempVal').innerText=value;}";
page += "async function sendCommand(){";
page += " const form=document.getElementById('ctrlForm');";
page += " const data=new FormData(form);";
page += " const params=new URLSearchParams(data);";
page += " const response=await fetch('/set?'+params);";
page += " const result=await response.text();";
page += " document.getElementById('statusMsg').innerHTML=result;";
page += " setTimeout(()=>{fetch('/status').then(r=>r.json()).then(j=>{";
page += " document.getElementById('statPower').innerText=j.power?'开':'关';";
page += " document.getElementById('statMode').innerText=j.modeStr;";
page += " document.getElementById('statTemp').innerText=j.temp+'°C';";
page += " document.getElementById('statFan').innerText=j.fanStr;";
page += " document.getElementById('autoModeState').innerText=j.autoMode?'已启用':'已禁用';";
page += " }).catch(e=>console.log(e));},500);";
page += "}";
page += "setInterval(async()=>{";
page += " const resp=await fetch('/status');";
page += " const data=await resp.json();";
page += " document.getElementById('statPower').innerText=data.power?'开':'关';";
page += " document.getElementById('statMode').innerText=data.modeStr;";
page += " document.getElementById('statTemp').innerText=data.temp+'°C';";
page += " document.getElementById('statFan').innerText=data.fanStr;";
page += " document.getElementById('roomTemp').innerText=data.roomTemp.toFixed(1);";
page += " document.getElementById('roomHumidity').innerText=data.roomHumidity.toFixed(1);";
page += " document.getElementById('autoModeState').innerText=data.autoMode?'已启用':'已禁用';";
page += "},2000);";
page += "</script>";
page += "</head><body>";
page += "<div class='container'>";
page += "<h1>❄️ 智能空调控制器</h1>";
page += "<div class='sensor-info'>";
page += "🌡️ 当前室温：<span id='roomTemp'>" + String(currentTemperature, 1) + "</span> °C<br>";
page += "💧 湿度：<span id='roomHumidity'>" + String(currentHumidity, 1) + "</span> %<br>";
page += "🔄 自动模式：<span id='autoModeState' class='auto-badge'>" + String(autoModeEnabled ? "已启用" : "已禁用") + "</span>";
page += "</div>";
page += "<div class='sensor-info'>";
page += "📡 空调状态：<br>";
page += "电源：<span id='statPower'>" + String(currentPowerState ? "开" : "关") + "</span><br>";
page += "模式：<span id='statMode'>" + modeStr + "</span><br>";
page += "温度：<span id='statTemp'>" + String(currentTemp) + "°C</span><br>";
page += "风速：<span id='statFan'>" + fanStr + "</span>";
page += "</div>";
page += "<form id='ctrlForm' onsubmit='event.preventDefault(); sendCommand();'>";
page += "<div class='control-group'><label>💡 电源：</label><select name='power'>";
page += "<option value='on'" + String(currentPowerState ? " selected" : "") + ">开</option>";
page += "<option value='off'" + String(!currentPowerState ? " selected" : "") + ">关</option>";
page += "</select></div>";
page += "<div class='control-group'><label>🌀 模式：</label><select name='mode'>";
page += "<option value='auto'" + String(currentMode == MODE_AUTO ? " selected" : "") + ">自动</option>";
page += "<option value='cool'" + String(currentMode == MODE_COOL ? " selected" : "") + ">制冷</option>";
page += "<option value='heat'" + String(currentMode == MODE_HEAT ? " selected" : "") + ">制热</option>";
page += "<option value='fan'" + String(currentMode == MODE_FAN ? " selected" : "") + ">送风</option>";
page += "<option value='dry'" + String(currentMode == MODE_DRY ? " selected" : "") + ">除湿</option>";
page += "</select></div>";
page += "<div class='control-group'><label>🌡️ 温度：</label>";
page += "<input type='range' name='temp' min='16' max='30' step='1' value='" + String(currentTemp) + "' oninput='updateTemp(this.value)'>";
page += "<span id='tempVal' style='display:inline-block;width:40px;text-align:center;'>" + String(currentTemp) + "</span> °C";
page += "</div>";
page += "<div class='control-group'><label>💨 风速：</label><select name='fan'>";
page += "<option value='auto'" + String(currentFan == FAN_AUTO ? " selected" : "") + ">自动</option>";
page += "<option value='low'" + String(currentFan == FAN_1 ? " selected" : "") + ">低档</option>";
page += "<option value='midlow'" + String(currentFan == FAN_2 ? " selected" : "") + ">中低档</option>";
page += "<option value='mid'" + String(currentFan == FAN_3 ? " selected" : "") + ">中档</option>";
page += "<option value='midhigh'"+ String(currentFan == FAN_4 ? " selected" : "") + ">中高档</option>";
page += "<option value='high'" + String(currentFan == FAN_5 ? " selected" : "") + ">高档</option>";
page += "<option value='silent'" + String(currentFan == FAN_SILENT ? " selected" : "") + ">静音</option>";
page += "</select></div>";
page += "<div class='control-group'><label>🔄 上下扫风：</label><select name='swingV'>";
page += "<option value='off'" + String(!currentSwingV ? " selected" : "") + ">关</option>";
page += "<option value='on'" + String(currentSwingV ? " selected" : "") + ">开</option>";
page += "</select></div>";
page += "<div class='control-group'><label>↔️ 左右扫风：</label><select name='swingH'>";
page += "<option value='off'" + String(!currentSwingH ? " selected" : "") + ">关</option>";
page += "<option value='on'" + String(currentSwingH ? " selected" : "") + ">开</option>";
page += "</select></div>";
page += "<div class='control-group'><label>🤖 控制模式：</label><select name='autoMode'>";
page += "<option value='auto'" + String(autoModeEnabled ? " selected" : "") + ">自动 (根据室温)</option>";
page += "<option value='manual'" + String(!autoModeEnabled ? " selected" : "") + ">手动</option>";
page += "</select></div>";
page += "<button type='submit'>📡 发送指令</button>";
page += "</form>";
page += "<div id='statusMsg' style='margin-top:15px;color:green;'></div>";
page += "</div></body></html>";
return page;
}
// ========== Web 服务器回调：主页 ==========
void handleRoot() {
server.send(200, "text/html", generateWebPage());
}
// ========== Web 服务器回调：接收控制指令 ==========
void handleSet() {
// 解析电源
if (server.hasArg("power")) {
String powerVal = server.arg("power");
currentPowerState = (powerVal == "on");
}
// 解析运行模式
if (server.hasArg("mode")) {
String modeVal = server.arg("mode");
if (modeVal == "auto") currentMode = MODE_AUTO;
else if (modeVal == "cool") currentMode = MODE_COOL;
else if (modeVal == "heat") currentMode = MODE_HEAT;
else if (modeVal == "fan") currentMode = MODE_FAN;
else if (modeVal == "dry") currentMode = MODE_DRY;
}
// 解析温度
if (server.hasArg("temp")) {
int newTemp = server.arg("temp").toInt();
if (newTemp >= 16 && newTemp <= 30) {
currentTemp = newTemp;
}
}
// 解析风速
if (server.hasArg("fan")) {
String fanVal = server.arg("fan");
if (fanVal == "auto") currentFan = FAN_AUTO;
else if (fanVal == "low") currentFan = FAN_1;
else if (fanVal == "midlow") currentFan = FAN_2;
else if (fanVal == "mid") currentFan = FAN_3;
else if (fanVal == "midhigh") currentFan = FAN_4;
else if (fanVal == "high") currentFan = FAN_5;
else if (fanVal == "silent") currentFan = FAN_SILENT;
}
// 解析扫风
if (server.hasArg("swingV")) {
currentSwingV = (server.arg("swingV") == "on");
}
if (server.hasArg("swingH")) {
currentSwingH = (server.arg("swingH") == "on");
}
// 解析自动模式切换
if (server.hasArg("autoMode")) {
String autoVal = server.arg("autoMode");
autoModeEnabled = (autoVal == "auto");
}
// 发送红外指令（手动触发）
sendIRCmd();
String reply = "✅ 指令已发送：";
reply += currentPowerState ? "开机" : "关机";
reply += "，" + String(currentTemp) + "°C";
server.send(200, "text/plain", reply);
}
// ========== Web 服务器回调：返回 JSON 状态数据 ==========
void handleStatus() {
String modeStr, fanStr;
switch(currentMode) {
case MODE_AUTO: modeStr = "自动"; break;
case MODE_COOL: modeStr = "制冷"; break;
case MODE_HEAT: modeStr = "制热"; break;
case MODE_FAN: modeStr = "送风"; break;
case MODE_DRY: modeStr = "除湿"; break;
default: modeStr = "未知";
}
switch(currentFan) {
case FAN_AUTO: fanStr = "自动"; break;
case FAN_1: fanStr = "低档"; break;
case FAN_2: fanStr = "中低档"; break;
case FAN_3: fanStr = "中档"; break;
case FAN_4: fanStr = "中高档"; break;
case FAN_5: fanStr = "高档"; break;
case FAN_SILENT: fanStr = "静音"; break;
default: fanStr = "未知";
}
String json = "{";
json += "\"power\":" + String(currentPowerState ? "true" : "false") + ",";
json += "\"modeStr\":\"" + modeStr + "\",";
json += "\"temp\":" + String(currentTemp) + ",";
json += "\"fanStr\":\"" + fanStr + "\",";
json += "\"roomTemp\":" + String(currentTemperature) + ",";
json += "\"roomHumidity\":" + String(currentHumidity) + ",";
json += "\"autoMode\":" + String(autoModeEnabled ? "true" : "false");
json += "}";
server.send(200, "application/json", json);
}
// ========== 网页状态刷新辅助函数 ==========
void updateWebStatus() {
// 仅用于内部自动控制时刷新网页
// 实际是通过定时 AJAX 拉取实现，也可以在此发送 WebSocket 通知，但为了简化，保持 JSON 轮询。
}
// ========== WiFi 连接管理与重连 ==========
void manageWiFi() {
static unsigned long lastWiFiCheck = 0;
if (millis() - lastWiFiCheck > 10000) { // 每 10 秒检查一次
if (wifiMulti.run() != WL_CONNECTED) {
Serial.println("WiFi 连接丢失，尝试重连...");
} else {
// 已连接，确认 IP
if (WiFi.localIP().toString() != "0.0.0.0") {
Serial.print("当前连接的 WiFi: ");
Serial.println(WiFi.SSID());
Serial.print("IP 地址: ");
Serial.println(WiFi.localIP());
}
}
lastWiFiCheck = millis();
}
}
// ========== 初始化 ==========
void setup() {
Serial.begin(115200);
delay(100);
Serial.println("\n智能空调控制器启动...");
// 初始化 WiFiMulti，添加多个 SSID 作为备选，遇断线自动切换最强信号
wifiMulti.addAP("你的主WiFi名称", "你的主WiFi密码");
wifiMulti.addAP("你的备用WiFi名称", "你的备用WiFi密码");
// 可继续添加更多网络
// 连接 WiFi (run 会阻塞直到连接成功或所有网络均失败，建议加超时逻辑)
Serial.println("正在连接 WiFi...");
int wifiAttempt = 0;
while (wifiMulti.run() != WL_CONNECTED && wifiAttempt < 50) { // 最多尝试 50 秒
delay(1000);
Serial.print(".");
wifiAttempt++;
}
if (WiFi.status() == WL_CONNECTED) {
Serial.println("\nWiFi 已连接");
Serial.print("SSID: ");
Serial.println(WiFi.SSID());
Serial.print("IP 地址: ");
Serial.println(WiFi.localIP());
} else {
Serial.println("\nWiFi 连接失败，检查网络配置后复位。");
}
// 初始化红外发射与空调协议（Gree YAP）
heatpump = new GreeYAPHeatpumpIR();
// 初始状态：关机，26°C，自动模式等
currentPowerState = false;
currentMode = MODE_AUTO; // 或根据你的喜好设定，如 MODE_COOL
currentFan = FAN_AUTO;
currentTemp = 26;
currentSwingV = false;
currentSwingH = false;
autoModeEnabled = true;
// 传感器初始化 (SHT30)
if (sht31.begin(0x44)) {
Serial.println("SHT30 传感器已初始化。");
} else {
Serial.println("SHT30 未找到，请检查 I2C 连接。");
}
// Web 服务器路由配置
server.on("/", handleRoot);
server.on("/set", handleSet);
server.on("/status", handleStatus);
server.begin();
Serial.println("Web 服务器已启动。");
// 首次读取传感器
readSensor();
// 如果自动模式启用，初次检查是否需要立即启动空调（比如室温已高于 28℃）
if (autoModeEnabled && currentTemperature > 28.0) {
currentPowerState = true;
sendIRCmd();
}
}
// ========== 主循环 ==========
void loop() {
// 处理 Web 请求
server.handleClient();
// 管理 WiFi 连接（自动重连、切换最佳 AP）
manageWiFi();
// 周期性读取传感器数据（每 5 秒）
if (millis() - lastSensorRead >= sensorReadInterval) {
readSensor();
lastSensorRead = millis();
}
// 周期性检查自动控制（每分钟一次）
if (autoModeEnabled && (millis() - lastAutoCheck >= autoCheckInterval)) {
autoControl();
lastAutoCheck = millis();
}
// 周期性重复发送最后指令，增强可靠性（每 5 秒，仅当已发送过有效指令且空调处于开启状态）
if (currentPowerState && lastIRCommandValid && (millis() - lastIRSend >= irRepeatInterval)) {
sendIRCmd(); // 重复发送当前状态指令
}
}拿到代码你只需要安装编译工具和几个库就可以烧录了，编译时可能会有报错，但大概率都是小问题自己如果解决不了还可以发送报错信息给AI，AI会根据之前的对话信息分析并给出解决方法。
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