{"id":20812,"date":"2025-04-19T03:43:10","date_gmt":"2025-04-18T19:43:10","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/20812.html"},"modified":"2025-04-19T03:43:10","modified_gmt":"2025-04-18T19:43:10","slug":"%e3%80%90%e8%8a%b1%e9%9b%95%e5%ad%a6%e7%bc%96%e7%a8%8b%e3%80%91arduino-http-%e4%b9%8b%e6%b8%a9%e6%b9%bf%e5%ba%a6%e6%95%b0%e6%8d%ae%e4%b8%8a%e4%bc%a0%e5%88%b0%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/20812.html","title":{"rendered":"\u3010\u82b1\u96d5\u5b66\u7f16\u7a0b\u3011Arduino HTTP \u4e4b\u6e29\u6e7f\u5ea6\u6570\u636e\u4e0a\u4f20\u5230\u670d\u52a1\u5668"},"content":{"rendered":"

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

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HTTP (HyperText Transfer Protocol) HTTP \u662f\u4e92\u8054\u7f51\u7684\u57fa\u7840\u534f\u8bae\u4e4b\u4e00，\u7528\u4e8e\u5728\u7f51\u7edc\u4e0a\u4ea4\u6362\u4fe1\u606f，\u7279\u522b\u662f\u7528\u4e8e\u5ba2\u6237\u7aef（\u5982\u6d4f\u89c8\u5668）\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u6570\u636e\u901a\u4fe1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5173\u952e\u6982\u5ff5： 1\u3001\u8bf7\u6c42 (Request): \u7531\u5ba2\u6237\u7aef\u53d1\u9001\u5230\u670d\u52a1\u5668\u7684\u6d88\u606f，\u5305\u542b\u8bf7\u6c42\u884c\u3001\u8bf7\u6c42\u5934\u548c\u8bf7\u6c42\u4f53\u3002\u5e38\u89c1\u7684\u8bf7\u6c42\u65b9\u6cd5\u5305\u62ec GET（\u8bf7\u6c42\u8d44\u6e90）\u3001POST（\u63d0\u4ea4\u6570\u636e）\u3001PUT（\u66f4\u65b0\u8d44\u6e90）\u548c DELETE（\u5220\u9664\u8d44\u6e90）\u3002 2\u3001\u54cd\u5e94 (Response): \u670d\u52a1\u5668\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u7684\u6d88\u606f，\u5305\u542b\u72b6\u6001\u884c\u3001\u54cd\u5e94\u5934\u548c\u54cd\u5e94\u4f53\u3002\u72b6\u6001\u7801\u5982 200（OK）\u3001404（Not Found）\u7b49\u7528\u4e8e\u8868\u793a\u8bf7\u6c42\u7684\u5904\u7406\u7ed3\u679c\u3002 3\u3001URI (Uniform Resource Identifier): \u7528\u4e8e\u552f\u4e00\u6807\u8bc6\u7f51\u7edc\u8d44\u6e90\u7684\u5b57\u7b26\u4e32，\u53ef\u4ee5\u662f URL（Uniform Resource Locator）\u6216 URN（Uniform Resource Name）\u3002 4\u3001\u65e0\u72b6\u6001 (Stateless): HTTP \u662f\u4e00\u79cd\u65e0\u72b6\u6001\u534f\u8bae，\u6bcf\u4e2a\u8bf7\u6c42\u90fd\u662f\u72ec\u7acb\u7684，\u4e0d\u4fdd\u7559\u524d\u540e\u7684\u72b6\u6001\u4fe1\u606f\u3002\u56e0\u6b64，\u670d\u52a1\u5668\u5728\u5904\u7406\u8bf7\u6c42\u65f6\u4e0d\u9700\u8981\u4e86\u89e3\u4e4b\u524d\u7684\u8bf7\u6c42\u4fe1\u606f\u3002<\/p>\n

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\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

1\u3001\u57fa\u672cHTTP POST\u53d1\u9001\u6e29\u6e7f\u5ea6\u6570\u636e<\/p>\n

#<\/span>include<\/span> <ESP8266WiFi.h><\/span><\/span>
\n#<\/span>include<\/span> <ESP8266HTTPClient.h><\/span><\/span>
\n#<\/span>include<\/span> <DHT.h><\/span><\/span><\/p>\n

#<\/span>define<\/span> DHTPIN<\/span> 2<\/span> <\/span>\/\/ DHT\u4f20\u611f\u5668\u8fde\u63a5\u5230\u5f15\u811a2<\/span><\/span>
\n#<\/span>define<\/span> DHTTYPE<\/span> DHT11 <\/span>\/\/ DHT11\u7c7b\u578b\u7684\u4f20\u611f\u5668<\/span><\/span><\/p>\n

const<\/span> char<\/span>*<\/span> ssid =<\/span> "your_SSID"<\/span>;<\/span>
\nconst<\/span> char<\/span>*<\/span> password =<\/span> "your_PASSWORD"<\/span>;<\/span>
\nconst<\/span> char<\/span>*<\/span> serverUrl =<\/span> "http:\/\/your.server\/api\/submit"<\/span>;<\/span><\/p>\n

DHT dht<\/span>(<\/span>DHTPIN,<\/span> DHTTYPE)<\/span>;<\/span><\/p>\n

void<\/span> setup<\/span>(<\/span>)<\/span> {<\/span>
\n Serial.<\/span>begin<\/span>(<\/span>115200<\/span>)<\/span>;<\/span>
\n WiFi.<\/span>begin<\/span>(<\/span>ssid,<\/span> password)<\/span>;<\/span><\/p>\n

while<\/span> (<\/span>WiFi.<\/span>status<\/span>(<\/span>)<\/span> !=<\/span> WL_CONNECTED)<\/span> {<\/span>
\n delay<\/span>(<\/span>1000<\/span>)<\/span>;<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Connecting to WiFi…"<\/span>)<\/span>;<\/span>
\n }<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"WiFi connected!"<\/span>)<\/span>;<\/span>
\n dht.<\/span>begin<\/span>(<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

void<\/span> loop<\/span>(<\/span>)<\/span> {<\/span>
\n float<\/span> humidity =<\/span> dht.<\/span>readHumidity<\/span>(<\/span>)<\/span>;<\/span>
\n float<\/span> temperature =<\/span> dht.<\/span>readTemperature<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

if<\/span> (<\/span>isnan<\/span>(<\/span>humidity)<\/span> ||<\/span> isnan<\/span>(<\/span>temperature)<\/span>)<\/span> {<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Failed to read from DHT sensor!"<\/span>)<\/span>;<\/span>
\n return<\/span>;<\/span>
\n }<\/span><\/p>\n

String formData =<\/span> "temperature="<\/span> +<\/span> String<\/span>(<\/span>temperature)<\/span> +<\/span> "&humidity="<\/span> +<\/span> String<\/span>(<\/span>humidity)<\/span>;<\/span><\/p>\n

HTTPClient http;<\/span>
\n http.<\/span>begin<\/span>(<\/span>serverUrl)<\/span>;<\/span>
\n http.<\/span>addHeader<\/span>(<\/span>"Content-Type"<\/span>,<\/span> "application\/x-www-form-urlencoded"<\/span>)<\/span>;<\/span><\/p>\n

int<\/span> httpResponseCode =<\/span> http.<\/span>POST<\/span>(<\/span>formData)<\/span>;<\/span><\/p>\n

if<\/span> (<\/span>httpResponseCode ><\/span> 0<\/span>)<\/span> {<\/span>
\n String response =<\/span> http.<\/span>getString<\/span>(<\/span>)<\/span>;<\/span>
\n Serial.<\/span>printf<\/span>(<\/span>"HTTP Response code: %d\\\\n"<\/span>,<\/span> httpResponseCode)<\/span>;<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Response: "<\/span> +<\/span> response)<\/span>;<\/span>
\n }<\/span> else<\/span> {<\/span>
\n Serial.<\/span>printf<\/span>(<\/span>"Error on sending POST: %s\\\\n"<\/span>,<\/span> http.<\/span>errorToString<\/span>(<\/span>httpResponseCode)<\/span>.<\/span>c_str<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

http.<\/span>end<\/span>(<\/span>)<\/span>;<\/span>
\n delay<\/span>(<\/span>60000<\/span>)<\/span>;<\/span> \/\/ \u6bcf60\u79d2\u4e0a\u4f20\u4e00\u6b21\u6570\u636e<\/span>
\n}<\/span><\/p>\n

2\u3001\u53d1\u9001JSON\u683c\u5f0f\u7684\u6e29\u6e7f\u5ea6\u6570\u636e<\/p>\n

#<\/span>include<\/span> <ESP8266WiFi.h><\/span><\/span>
\n#<\/span>include<\/span> <ESP8266HTTPClient.h><\/span><\/span>
\n#<\/span>include<\/span> <DHT.h><\/span><\/span>
\n#<\/span>include<\/span> <ArduinoJson.h><\/span><\/span><\/p>\n

#<\/span>define<\/span> DHTPIN<\/span> 2<\/span><\/span><\/span>
\n#<\/span>define<\/span> DHTTYPE<\/span> DHT11<\/span><\/span><\/p>\n

const<\/span> char<\/span>*<\/span> ssid =<\/span> "your_SSID"<\/span>;<\/span>
\nconst<\/span> char<\/span>*<\/span> password =<\/span> "your_PASSWORD"<\/span>;<\/span>
\nconst<\/span> char<\/span>*<\/span> serverUrl =<\/span> "http:\/\/your.server\/api\/submit"<\/span>;<\/span><\/p>\n

DHT dht<\/span>(<\/span>DHTPIN,<\/span> DHTTYPE)<\/span>;<\/span><\/p>\n

void<\/span> setup<\/span>(<\/span>)<\/span> {<\/span>
\n Serial.<\/span>begin<\/span>(<\/span>115200<\/span>)<\/span>;<\/span>
\n WiFi.<\/span>begin<\/span>(<\/span>ssid,<\/span> password)<\/span>;<\/span><\/p>\n

while<\/span> (<\/span>WiFi.<\/span>status<\/span>(<\/span>)<\/span> !=<\/span> WL_CONNECTED)<\/span> {<\/span>
\n delay<\/span>(<\/span>1000<\/span>)<\/span>;<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Connecting to WiFi…"<\/span>)<\/span>;<\/span>
\n }<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"WiFi connected!"<\/span>)<\/span>;<\/span>
\n dht.<\/span>begin<\/span>(<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

void<\/span> loop<\/span>(<\/span>)<\/span> {<\/span>
\n float<\/span> humidity =<\/span> dht.<\/span>readHumidity<\/span>(<\/span>)<\/span>;<\/span>
\n float<\/span> temperature =<\/span> dht.<\/span>readTemperature<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

if<\/span> (<\/span>isnan<\/span>(<\/span>humidity)<\/span> ||<\/span> isnan<\/span>(<\/span>temperature)<\/span>)<\/span> {<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Failed to read from DHT sensor!"<\/span>)<\/span>;<\/span>
\n return<\/span>;<\/span>
\n }<\/span><\/p>\n

StaticJsonDocument<<\/span>200<\/span>><\/span> doc;<\/span>
\n doc[<\/span>"temperature"<\/span>]<\/span> =<\/span> temperature;<\/span>
\n doc[<\/span>"humidity"<\/span>]<\/span> =<\/span> humidity;<\/span><\/p>\n

String jsonData;<\/span>
\n serializeJson<\/span>(<\/span>doc,<\/span> jsonData)<\/span>;<\/span><\/p>\n

HTTPClient http;<\/span>
\n http.<\/span>begin<\/span>(<\/span>serverUrl)<\/span>;<\/span>
\n http.<\/span>addHeader<\/span>(<\/span>"Content-Type"<\/span>,<\/span> "application\/json"<\/span>)<\/span>;<\/span><\/p>\n

int<\/span> httpResponseCode =<\/span> http.<\/span>POST<\/span>(<\/span>jsonData)<\/span>;<\/span><\/p>\n

if<\/span> (<\/span>httpResponseCode ><\/span> 0<\/span>)<\/span> {<\/span>
\n String response =<\/span> http.<\/span>getString<\/span>(<\/span>)<\/span>;<\/span>
\n Serial.<\/span>printf<\/span>(<\/span>"HTTP Response code: %d\\\\n"<\/span>,<\/span> httpResponseCode)<\/span>;<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Response: "<\/span> +<\/span> response)<\/span>;<\/span>
\n }<\/span> else<\/span> {<\/span>
\n Serial.<\/span>printf<\/span>(<\/span>"Error on sending POST: %s\\\\n"<\/span>,<\/span> http.<\/span>errorToString<\/span>(<\/span>httpResponseCode)<\/span>.<\/span>c_str<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

http.<\/span>end<\/span>(<\/span>)<\/span>;<\/span>
\n delay<\/span>(<\/span>60000<\/span>)<\/span>;<\/span> \/\/ \u6bcf60\u79d2\u4e0a\u4f20\u4e00\u6b21\u6570\u636e<\/span>
\n}<\/span><\/p>\n

3\u3001\u6e29\u6e7f\u5ea6\u6570\u636e\u4e0a\u4f20\u4e0e\u9519\u8bef\u5904\u7406<\/p>\n

#<\/span>include<\/span> <ESP8266WiFi.h><\/span><\/span>
\n#<\/span>include<\/span> <ESP8266HTTPClient.h><\/span><\/span>
\n#<\/span>include<\/span> <DHT.h><\/span><\/span><\/p>\n

#<\/span>define<\/span> DHTPIN<\/span> 2<\/span><\/span><\/span>
\n#<\/span>define<\/span> DHTTYPE<\/span> DHT11<\/span><\/span><\/p>\n

const<\/span> char<\/span>*<\/span> ssid =<\/span> "your_SSID"<\/span>;<\/span>
\nconst<\/span> char<\/span>*<\/span> password =<\/span> "your_PASSWORD"<\/span>;<\/span>
\nconst<\/span> char<\/span>*<\/span> serverUrl =<\/span> "http:\/\/your.server\/api\/submit"<\/span>;<\/span><\/p>\n

DHT dht<\/span>(<\/span>DHTPIN,<\/span> DHTTYPE)<\/span>;<\/span><\/p>\n

void<\/span> setup<\/span>(<\/span>)<\/span> {<\/span>
\n Serial.<\/span>begin<\/span>(<\/span>115200<\/span>)<\/span>;<\/span>
\n WiFi.<\/span>begin<\/span>(<\/span>ssid,<\/span> password)<\/span>;<\/span><\/p>\n

while<\/span> (<\/span>WiFi.<\/span>status<\/span>(<\/span>)<\/span> !=<\/span> WL_CONNECTED)<\/span> {<\/span>
\n delay<\/span>(<\/span>1000<\/span>)<\/span>;<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Connecting to WiFi…"<\/span>)<\/span>;<\/span>
\n }<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"WiFi connected!"<\/span>)<\/span>;<\/span>
\n dht.<\/span>begin<\/span>(<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

void<\/span> loop<\/span>(<\/span>)<\/span> {<\/span>
\n float<\/span> humidity =<\/span> dht.<\/span>readHumidity<\/span>(<\/span>)<\/span>;<\/span>
\n float<\/span> temperature =<\/span> dht.<\/span>readTemperature<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

if<\/span> (<\/span>isnan<\/span>(<\/span>humidity)<\/span> ||<\/span> isnan<\/span>(<\/span>temperature)<\/span>)<\/span> {<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Failed to read from DHT sensor!"<\/span>)<\/span>;<\/span>
\n return<\/span>;<\/span>
\n }<\/span><\/p>\n

String formData =<\/span> "temperature="<\/span> +<\/span> String<\/span>(<\/span>temperature)<\/span> +<\/span> "&humidity="<\/span> +<\/span> String<\/span>(<\/span>humidity)<\/span>;<\/span><\/p>\n

HTTPClient http;<\/span>
\n http.<\/span>begin<\/span>(<\/span>serverUrl)<\/span>;<\/span>
\n http.<\/span>addHeader<\/span>(<\/span>"Content-Type"<\/span>,<\/span> "application\/x-www-form-urlencoded"<\/span>)<\/span>;<\/span><\/p>\n

int<\/span> httpResponseCode =<\/span> http.<\/span>POST<\/span>(<\/span>formData)<\/span>;<\/span><\/p>\n

if<\/span> (<\/span>httpResponseCode ><\/span> 0<\/span>)<\/span> {<\/span>
\n String response =<\/span> http.<\/span>getString<\/span>(<\/span>)<\/span>;<\/span>
\n Serial.<\/span>printf<\/span>(<\/span>"HTTP Response code: %d\\\\n"<\/span>,<\/span> httpResponseCode)<\/span>;<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Response: "<\/span> +<\/span> response)<\/span>;<\/span>
\n }<\/span> else<\/span> {<\/span>
\n Serial.<\/span>printf<\/span>(<\/span>"Error on sending POST: %s\\\\n"<\/span>,<\/span> http.<\/span>errorToString<\/span>(<\/span>httpResponseCode)<\/span>.<\/span>c_str<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n if<\/span> (<\/span>httpResponseCode ==<\/span> 401<\/span>)<\/span> {<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Unauthorized access. Please check your credentials."<\/span>)<\/span>;<\/span>
\n }<\/span> else<\/span> if<\/span> (<\/span>httpResponseCode ==<\/span> 404<\/span>)<\/span> {<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Server not found. Please check the URL."<\/span>)<\/span>;<\/span>
\n }<\/span> else<\/span> if<\/span> (<\/span>httpResponseCode >=<\/span> 500<\/span>)<\/span> {<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Server error. Please try again later."<\/span>)<\/span>;<\/span>
\n }<\/span>
\n }<\/span><\/p>\n

http.<\/span>end<\/span>(<\/span>)<\/span>;<\/span>
\n delay<\/span>(<\/span>60000<\/span>)<\/span>;<\/span> \/\/ \u6bcf60\u79d2\u4e0a\u4f20\u4e00\u6b21\u6570\u636e<\/span>
\n}<\/span><\/p>\n

\u8981\u70b9\u89e3\u8bfb \u4f20\u611f\u5668\u96c6\u6210： \u6240\u6709\u6848\u4f8b\u4e2d\u4f7f\u7528DHT11\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668，\u4ee3\u7801\u901a\u8fc7DHT\u5e93\u8bfb\u53d6\u6e29\u5ea6\u548c\u6e7f\u5ea6\u6570\u636e\u3002\u786e\u4fdd\u4f20\u611f\u5668\u8fde\u63a5\u6b63\u786e，\u4ee5\u4fbf\u51c6\u786e\u83b7\u53d6\u6570\u636e\u3002 \u6570\u636e\u683c\u5f0f\u9009\u62e9： \u6848\u4f8b1\u4f7f\u7528application\/x-www-form-urlencoded\u683c\u5f0f\u53d1\u9001\u6570\u636e，\u800c\u6848\u4f8b2\u5219\u4f7f\u7528JSON\u683c\u5f0f（application\/json）\u3002\u6839\u636e\u670d\u52a1\u5668\u8981\u6c42\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u683c\u5f0f，\u53ef\u4ee5\u63d0\u9ad8\u517c\u5bb9\u6027\u548c\u6613\u8bfb\u6027\u3002 \u9519\u8bef\u5904\u7406\u673a\u5236： \u6848\u4f8b3\u4e2d\u5b9e\u73b0\u4e86\u57fa\u672c\u7684\u9519\u8bef\u5904\u7406\u673a\u5236，\u6839\u636eHTTP\u54cd\u5e94\u7801\u63d0\u4f9b\u53cd\u9988\u3002\u8fd9\u79cd\u673a\u5236\u80fd\u591f\u5e2e\u52a9\u5f00\u53d1\u8005\u53ca\u65f6\u53d1\u73b0\u95ee\u9898\u5e76\u8fdb\u884c\u8c03\u8bd5，\u63d0\u5347\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002 \u5b9a\u65f6\u4e0a\u4f20\u6570\u636e： \u5728\u6240\u6709\u6848\u4f8b\u4e2d，\u4f7f\u7528delay(60000)\u63a7\u5236\u6570\u636e\u4e0a\u4f20\u9891\u7387，\u6bcf60\u79d2\u4e0a\u4f20\u4e00\u6b21\u6570\u636e\u3002\u8fd9\u79cd\u5b9a\u65f6\u673a\u5236\u80fd\u591f\u5e73\u8861\u6570\u636e\u66f4\u65b0\u7684\u5b9e\u65f6\u6027\u548c\u7f51\u7edc\u8d1f\u8f7d\u3002 \u4e32\u53e3\u8c03\u8bd5\u4fe1\u606f： \u4f7f\u7528Serial.print\u8f93\u51fa\u8c03\u8bd5\u4fe1\u606f，\u5305\u62ecWiFi\u8fde\u63a5\u72b6\u6001\u3001HTTP\u54cd\u5e94\u7801\u548c\u8fd4\u56de\u5185\u5bb9\u3002\u8fd9\u5bf9\u4e8e\u5f00\u53d1\u548c\u8c03\u8bd5\u975e\u5e38\u91cd\u8981，\u6709\u52a9\u4e8e\u8ddf\u8e2a\u7a0b\u5e8f\u7684\u6267\u884c\u72b6\u6001\u548c\u6392\u67e5\u95ee\u9898\u3002<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

4\u3001\u4f7f\u7528DHT11\u4f20\u611f\u5668\u4e0a\u4f20\u6e29\u6e7f\u5ea6\u6570\u636e<\/p>\n

#<\/span>include<\/span> <ESP8266WiFi.h><\/span><\/span>
\n#<\/span>include<\/span> <ESP8266HTTPClient.h><\/span><\/span>
\n#<\/span>include<\/span> <DHT.h><\/span><\/span><\/p>\n

#<\/span>define<\/span> DHTPIN<\/span> 2<\/span> <\/span>\/\/ DHT11\u8fde\u63a5\u5230\u6570\u5b57\u5f15\u811a2<\/span><\/span>
\n#<\/span>define<\/span> DHTTYPE<\/span> DHT11 <\/span>\/\/ DHT11\u7c7b\u578b<\/span><\/span><\/p>\n

const<\/span> char<\/span>*<\/span> ssid =<\/span> "YOUR_SSID"<\/span>;<\/span>
\nconst<\/span> char<\/span>*<\/span> password =<\/span> "YOUR_PASSWORD"<\/span>;<\/span>
\nconst<\/span> char<\/span>*<\/span> serverName =<\/span> "http:\/\/example.com\/api\/submit"<\/span>;<\/span><\/p>\n

DHT dht<\/span>(<\/span>DHTPIN,<\/span> DHTTYPE)<\/span>;<\/span><\/p>\n

void<\/span> setup<\/span>(<\/span>)<\/span> {<\/span>
\n Serial.<\/span>begin<\/span>(<\/span>115200<\/span>)<\/span>;<\/span>
\n dht.<\/span>begin<\/span>(<\/span>)<\/span>;<\/span>
\n WiFi.<\/span>begin<\/span>(<\/span>ssid,<\/span> password)<\/span>;<\/span><\/p>\n

while<\/span> (<\/span>WiFi.<\/span>status<\/span>(<\/span>)<\/span> !=<\/span> WL_CONNECTED)<\/span> {<\/span>
\n delay<\/span>(<\/span>1000<\/span>)<\/span>;<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Connecting to WiFi…"<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

Serial.<\/span>println<\/span>(<\/span>"Connected to WiFi"<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

void<\/span> loop<\/span>(<\/span>)<\/span> {<\/span>
\n delay<\/span>(<\/span>2000<\/span>)<\/span>;<\/span> \/\/ \u6bcf2\u79d2\u8bfb\u53d6\u4e00\u6b21\u6570\u636e<\/span>
\n float<\/span> h =<\/span> dht.<\/span>readHumidity<\/span>(<\/span>)<\/span>;<\/span>
\n float<\/span> t =<\/span> dht.<\/span>readTemperature<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

if<\/span> (<\/span>isnan<\/span>(<\/span>h)<\/span> ||<\/span> isnan<\/span>(<\/span>t)<\/span>)<\/span> {<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Failed to read from DHT sensor!"<\/span>)<\/span>;<\/span>
\n return<\/span>;<\/span>
\n }<\/span><\/p>\n

\/\/ \u51c6\u5907\u8981\u53d1\u9001\u7684\u6570\u636e<\/span>
\n String httpRequestData =<\/span> "temperature="<\/span> +<\/span> String<\/span>(<\/span>t)<\/span> +<\/span> "&humidity="<\/span> +<\/span> String<\/span>(<\/span>h)<\/span>;<\/span><\/p>\n

if<\/span> (<\/span>WiFi.<\/span>status<\/span>(<\/span>)<\/span> ==<\/span> WL_CONNECTED)<\/span> {<\/span>
\n HTTPClient http;<\/span>
\n http.<\/span>begin<\/span>(<\/span>serverName)<\/span>;<\/span>
\n http.<\/span>addHeader<\/span>(<\/span>"Content-Type"<\/span>,<\/span> "application\/x-www-form-urlencoded"<\/span>)<\/span>;<\/span><\/p>\n

int<\/span> httpResponseCode =<\/span> http.<\/span>POST<\/span>(<\/span>httpRequestData)<\/span>;<\/span>
\n if<\/span> (<\/span>httpResponseCode ><\/span> 0<\/span>)<\/span> {<\/span>
\n String payload =<\/span> http.<\/span>getString<\/span>(<\/span>)<\/span>;<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Response: "<\/span> +<\/span> payload)<\/span>;<\/span>
\n }<\/span> else<\/span> {<\/span>
\n Serial.<\/span>print<\/span>(<\/span>"Error on HTTP request: "<\/span>)<\/span>;<\/span>
\n Serial.<\/span>println<\/span>(<\/span>httpResponseCode)<\/span>;<\/span>
\n }<\/span>
\n http.<\/span>end<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u8981\u70b9\u89e3\u8bfb： DHT11\u4f20\u611f\u5668\u4f7f\u7528：\u901a\u8fc7DHT\u5e93\u8bfb\u53d6\u6e29\u6e7f\u5ea6\u6570\u636e，\u786e\u4fdd\u6570\u636e\u91c7\u96c6\u7684\u51c6\u786e\u6027\u3002 WiFi\u8fde\u63a5\u7ba1\u7406：\u5728\u4e0a\u4f20\u6570\u636e\u4e4b\u524d\u786e\u4fdd\u8bbe\u5907\u6b63\u786e\u8fde\u63a5\u5230WiFi\u7f51\u7edc，\u907f\u514d\u56e0\u7f51\u7edc\u95ee\u9898\u5bfc\u81f4\u8bf7\u6c42\u5931\u8d25\u3002 HTTP POST\u8bf7\u6c42：\u4f7f\u7528POST\u65b9\u6cd5\u5c06\u6570\u636e\u4e0a\u4f20\u5230\u670d\u52a1\u5668，\u7b26\u5408\u5e38\u89c1\u7684API\u63a5\u53e3\u8bbe\u8ba1\u3002 \u9519\u8bef\u5904\u7406：\u5728\u8bfb\u53d6\u4f20\u611f\u5668\u6570\u636e\u65f6\u68c0\u67e5\u662f\u5426\u6210\u529f，\u907f\u514d\u56e0\u6570\u636e\u8bfb\u53d6\u5931\u8d25\u5bfc\u81f4\u4e0a\u4f20\u65e0\u6548\u6570\u636e\u3002 \u5b9a\u65f6\u91c7\u96c6：\u8bbe\u7f6e\u6bcf2\u79d2\u8bfb\u53d6\u4e00\u6b21\u6e29\u6e7f\u5ea6\u6570\u636e，\u5408\u7406\u63a7\u5236\u6570\u636e\u4e0a\u4f20\u9891\u7387，\u786e\u4fdd\u6570\u636e\u7684\u5b9e\u65f6\u6027\u548c\u670d\u52a1\u5668\u8d1f\u62c5\u7684\u5408\u7406\u6027\u3002<\/p>\n

5\u3001\u4f7f\u7528DHT22\u4f20\u611f\u5668\u4e0a\u4f20\u6e29\u6e7f\u5ea6\u6570\u636e<\/p>\n

#<\/span>include<\/span> <ESP8266WiFi.h><\/span><\/span>
\n#<\/span>include<\/span> <ESP8266HTTPClient.h><\/span><\/span>
\n#<\/span>include<\/span> <DHT.h><\/span><\/span><\/p>\n

#<\/span>define<\/span> DHTPIN<\/span> 2<\/span> <\/span>\/\/ DHT22\u8fde\u63a5\u5230\u6570\u5b57\u5f15\u811a2<\/span><\/span>
\n#<\/span>define<\/span> DHTTYPE<\/span> DHT22 <\/span>\/\/ DHT22\u7c7b\u578b<\/span><\/span><\/p>\n

const<\/span> char<\/span>*<\/span> ssid =<\/span> "YOUR_SSID"<\/span>;<\/span>
\nconst<\/span> char<\/span>*<\/span> password =<\/span> "YOUR_PASSWORD"<\/span>;<\/span>
\nconst<\/span> char<\/span>*<\/span> serverName =<\/span> "http:\/\/example.com\/api\/submit"<\/span>;<\/span><\/p>\n

DHT dht<\/span>(<\/span>DHTPIN,<\/span> DHTTYPE)<\/span>;<\/span><\/p>\n

void<\/span> setup<\/span>(<\/span>)<\/span> {<\/span>
\n Serial.<\/span>begin<\/span>(<\/span>115200<\/span>)<\/span>;<\/span>
\n dht.<\/span>begin<\/span>(<\/span>)<\/span>;<\/span>
\n WiFi.<\/span>begin<\/span>(<\/span>ssid,<\/span> password)<\/span>;<\/span><\/p>\n

while<\/span> (<\/span>WiFi.<\/span>status<\/span>(<\/span>)<\/span> !=<\/span> WL_CONNECTED)<\/span> {<\/span>
\n delay<\/span>(<\/span>1000<\/span>)<\/span>;<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Connecting to WiFi…"<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

Serial.<\/span>println<\/span>(<\/span>"Connected to WiFi"<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

void<\/span> loop<\/span>(<\/span>)<\/span> {<\/span>
\n delay<\/span>(<\/span>2000<\/span>)<\/span>;<\/span> \/\/ \u6bcf2\u79d2\u8bfb\u53d6\u4e00\u6b21\u6570\u636e<\/span>
\n float<\/span> h =<\/span> dht.<\/span>readHumidity<\/span>(<\/span>)<\/span>;<\/span>
\n float<\/span> t =<\/span> dht.<\/span>readTemperature<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

if<\/span> (<\/span>isnan<\/span>(<\/span>h)<\/span> ||<\/span> isnan<\/span>(<\/span>t)<\/span>)<\/span> {<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Failed to read from DHT sensor!"<\/span>)<\/span>;<\/span>
\n return<\/span>;<\/span>
\n }<\/span><\/p>\n

\/\/ \u51c6\u5907\u8981\u53d1\u9001\u7684\u6570\u636e<\/span>
\n String httpRequestData =<\/span> "temperature="<\/span> +<\/span> String<\/span>(<\/span>t)<\/span> +<\/span> "&humidity="<\/span> +<\/span> String<\/span>(<\/span>h)<\/span>;<\/span><\/p>\n

if<\/span> (<\/span>WiFi.<\/span>status<\/span>(<\/span>)<\/span> ==<\/span> WL_CONNECTED)<\/span> {<\/span>
\n HTTPClient http;<\/span>
\n http.<\/span>begin<\/span>(<\/span>serverName)<\/span>;<\/span>
\n http.<\/span>addHeader<\/span>(<\/span>"Content-Type"<\/span>,<\/span> "application\/x-www-form-urlencoded"<\/span>)<\/span>;<\/span><\/p>\n

int<\/span> httpResponseCode =<\/span> http.<\/span>POST<\/span>(<\/span>httpRequestData)<\/span>;<\/span>
\n if<\/span> (<\/span>httpResponseCode ><\/span> 0<\/span>)<\/span> {<\/span>
\n String payload =<\/span> http.<\/span>getString<\/span>(<\/span>)<\/span>;<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Response: "<\/span> +<\/span> payload)<\/span>;<\/span>
\n }<\/span> else<\/span> {<\/span>
\n Serial.<\/span>print<\/span>(<\/span>"Error on HTTP request: "<\/span>)<\/span>;<\/span>
\n Serial.<\/span>println<\/span>(<\/span>httpResponseCode)<\/span>;<\/span>
\n }<\/span>
\n http.<\/span>end<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u8981\u70b9\u89e3\u8bfb： DHT22\u4f20\u611f\u5668\u652f\u6301：\u66ff\u6362\u4e3aDHT22\u4f20\u611f\u5668，\u63d0\u4f9b\u66f4\u9ad8\u7684\u7cbe\u5ea6\u548c\u66f4\u5bbd\u7684\u6d4b\u91cf\u8303\u56f4，\u9002\u5e94\u4e0d\u540c\u7684\u5e94\u7528\u9700\u6c42\u3002 \u6570\u636e\u4e0a\u4f20\u683c\u5f0f：\u540c\u6837\u4f7f\u7528application\/x-www-form-urlencoded\u683c\u5f0f，\u786e\u4fdd\u670d\u52a1\u5668\u80fd\u591f\u6b63\u786e\u89e3\u6790\u3002 \u5b9a\u65f6\u8bfb\u53d6\u4e0e\u4e0a\u4f20：\u4e0eDHT11\u6848\u4f8b\u7c7b\u4f3c，\u4fdd\u6301\u5b9a\u65f6\u8bfb\u53d6\u548c\u4e0a\u4f20\u6570\u636e\u7684\u673a\u5236，\u4fdd\u8bc1\u6570\u636e\u7684\u53ca\u65f6\u6027\u3002 \u8fde\u63a5\u72b6\u6001\u68c0\u67e5：\u5728\u6bcf\u6b21\u4e0a\u4f20\u524d\u68c0\u67e5WiFi\u8fde\u63a5\u72b6\u6001，\u786e\u4fdd\u8bbe\u5907\u5728\u7ebf\u3002 \u54cd\u5e94\u5904\u7406\u4e0e\u8c03\u8bd5：\u8f93\u51fa\u670d\u52a1\u5668\u54cd\u5e94\u5185\u5bb9，\u4fbf\u4e8e\u8c03\u8bd5\u548c\u786e\u8ba4\u6570\u636e\u662f\u5426\u6210\u529f\u4e0a\u4f20\u3002<\/p>\n

6\u3001\u4f7f\u7528BME280\u4f20\u611f\u5668\u4e0a\u4f20\u6e29\u6e7f\u5ea6\u548c\u6c14\u538b\u6570\u636e<\/p>\n

#<\/span>include<\/span> <Wire.h><\/span><\/span>
\n#<\/span>include<\/span> <ESP8266WiFi.h><\/span><\/span>
\n#<\/span>include<\/span> <ESP8266HTTPClient.h><\/span><\/span>
\n#<\/span>include<\/span> <Adafruit_Sensor.h><\/span><\/span>
\n#<\/span>include<\/span> <Adafruit_BME280.h><\/span><\/span><\/p>\n

const<\/span> char<\/span>*<\/span> ssid =<\/span> "YOUR_SSID"<\/span>;<\/span>
\nconst<\/span> char<\/span>*<\/span> password =<\/span> "YOUR_PASSWORD"<\/span>;<\/span>
\nconst<\/span> char<\/span>*<\/span> serverName =<\/span> "http:\/\/example.com\/api\/submit"<\/span>;<\/span><\/p>\n

Adafruit_BME280 bme;<\/span> \/\/ I2C<\/span><\/p>\n

void<\/span> setup<\/span>(<\/span>)<\/span> {<\/span>
\n Serial.<\/span>begin<\/span>(<\/span>115200<\/span>)<\/span>;<\/span>
\n if<\/span> (<\/span>!<\/span>bme.<\/span>begin<\/span>(<\/span>0x76<\/span>)<\/span>)<\/span> {<\/span> \/\/ \u6839\u636e\u5b9e\u9645\u8fde\u63a5\u5730\u5740\u9009\u62e9<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Could not find BME280 sensor!"<\/span>)<\/span>;<\/span>
\n while<\/span> (<\/span>1<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

WiFi.<\/span>begin<\/span>(<\/span>ssid,<\/span> password)<\/span>;<\/span><\/p>\n

while<\/span> (<\/span>WiFi.<\/span>status<\/span>(<\/span>)<\/span> !=<\/span> WL_CONNECTED)<\/span> {<\/span>
\n delay<\/span>(<\/span>1000<\/span>)<\/span>;<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Connecting to WiFi…"<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

Serial.<\/span>println<\/span>(<\/span>"Connected to WiFi"<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

void<\/span> loop<\/span>(<\/span>)<\/span> {<\/span>
\n delay<\/span>(<\/span>2000<\/span>)<\/span>;<\/span> \/\/ \u6bcf2\u79d2\u8bfb\u53d6\u4e00\u6b21\u6570\u636e<\/span>
\n float<\/span> h =<\/span> bme.<\/span>readHumidity<\/span>(<\/span>)<\/span>;<\/span>
\n float<\/span> t =<\/span> bme.<\/span>readTemperature<\/span>(<\/span>)<\/span>;<\/span>
\n float<\/span> p =<\/span> bme.<\/span>readPressure<\/span>(<\/span>)<\/span> \/<\/span> 100.0F<\/span>;<\/span> \/\/ \u5c06\u538b\u529b\u8f6c\u6362\u4e3ahPa<\/span><\/p>\n

\/\/ \u51c6\u5907\u8981\u53d1\u9001\u7684\u6570\u636e<\/span>
\n String httpRequestData =<\/span> "temperature="<\/span> +<\/span> String<\/span>(<\/span>t)<\/span> +<\/span> "&humidity="<\/span> +<\/span> String<\/span>(<\/span>h)<\/span> +<\/span> "&pressure="<\/span> +<\/span> String<\/span>(<\/span>p)<\/span>;<\/span><\/p>\n

if<\/span> (<\/span>WiFi.<\/span>status<\/span>(<\/span>)<\/span> ==<\/span> WL_CONNECTED)<\/span> {<\/span>
\n HTTPClient http;<\/span>
\n http.<\/span>begin<\/span>(<\/span>serverName)<\/span>;<\/span>
\n http.<\/span>addHeader<\/span>(<\/span>"Content-Type"<\/span>,<\/span> "application\/x-www-form-urlencoded"<\/span>)<\/span>;<\/span><\/p>\n

int<\/span> httpResponseCode =<\/span> http.<\/span>POST<\/span>(<\/span>httpRequestData)<\/span>;<\/span>
\n if<\/span> (<\/span>httpResponseCode ><\/span> 0<\/span>)<\/span> {<\/span>
\n String payload =<\/span> http.<\/span>getString<\/span>(<\/span>)<\/span>;<\/span>
\n Serial.<\/span>println<\/span>(<\/span>"Response: "<\/span> +<\/span> payload)<\/span>;<\/span>
\n }<\/span> else<\/span> {<\/span>
\n Serial.<\/span>print<\/span>(<\/span>"Error on HTTP request: "<\/span>)<\/span>;<\/span>
\n Serial.<\/span>println<\/span>(<\/span>httpResponseCode)<\/span>;<\/span>
\n }<\/span>
\n http.<\/span>end<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u8981\u70b9\u89e3\u8bfb： \u591a\u529f\u80fd\u4f20\u611f\u5668：\u4f7f\u7528BME280\u4f20\u611f\u5668，\u80fd\u591f\u540c\u65f6\u83b7\u53d6\u6e29\u5ea6\u3001\u6e7f\u5ea6\u548c\u6c14\u538b\u6570\u636e，\u63d0\u4f9b\u66f4\u5168\u9762\u7684\u73af\u5883\u76d1\u6d4b\u3002 I2C\u901a\u4fe1：\u901a\u8fc7I2C\u63a5\u53e3\u8fde\u63a5\u4f20\u611f\u5668，\u51cf\u5c11\u5f15\u811a\u5360\u7528，\u9002\u5408\u591a\u4f20\u611f\u5668\u5e94\u7528\u3002 \u6570\u636e\u4e0a\u4f20：\u5c06\u591a\u4e2a\u6570\u636e（\u6e29\u5ea6\u3001\u6e7f\u5ea6\u3001\u6c14\u538b）\u6574\u5408\u540e\u4e00\u6b21\u6027\u4e0a\u4f20，\u51cf\u5c11\u8bf7\u6c42\u6b21\u6570，\u63d0\u9ad8\u6548\u7387\u3002 \u9519\u8bef\u5904\u7406：\u5728\u521d\u59cb\u5316\u4f20\u611f\u5668\u65f6\u68c0\u67e5\u662f\u5426\u6210\u529f，\u786e\u4fdd\u540e\u7eed\u6570\u636e\u8bfb\u53d6\u7684\u53ef\u9760\u6027\u3002 \u54cd\u5e94\u8f93\u51fa：\u540c\u6837\u5904\u7406\u670d\u52a1\u5668\u54cd\u5e94，\u786e\u4fdd\u6570\u636e\u4e0a\u4f20\u6210\u529f，\u4fbf\u4e8e\u8c03\u8bd5\u548c\u4f18\u5316\u3002<\/p>\n

\u6ce8\u610f，\u4ee5\u4e0a\u6848\u4f8b\u53ea\u662f\u4e3a\u4e86\u62d3\u5c55\u601d\u8def，\u4ec5\u4f9b\u53c2\u8003\u3002\u5b83\u4eec\u53ef\u80fd\u6709\u9519\u8bef\u3001\u4e0d\u9002\u7528\u6216\u8005\u65e0\u6cd5\u7f16\u8bd1\u3002\u60a8\u7684\u786c\u4ef6\u5e73\u53f0\u3001\u4f7f\u7528\u573a\u666f\u548cArduino\u7248\u672c\u53ef\u80fd\u5f71\u54cd\u4f7f\u7528\u65b9\u6cd5\u7684\u9009\u62e9\u3002\u5b9e\u9645\u7f16\u7a0b\u65f6，\u60a8\u8981\u6839\u636e\u81ea\u5df1\u7684\u786c\u4ef6\u914d\u7f6e\u3001\u4f7f\u7528\u573a\u666f\u548c\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u8c03\u6574，\u5e76\u591a\u6b21\u5b9e\u9645\u6d4b\u8bd5\u3002\u60a8\u8fd8\u8981\u6b63\u786e\u8fde\u63a5\u786c\u4ef6，\u4e86\u89e3\u6240\u7528\u4f20\u611f\u5668\u548c\u8bbe\u5907\u7684\u89c4\u8303\u548c\u7279\u6027\u3002\u6d89\u53ca\u786c\u4ef6\u64cd\u4f5c\u7684\u4ee3\u7801，\u60a8\u8981\u5728\u4f7f\u7528\u524d\u786e\u8ba4\u5f15\u811a\u548c\u7535\u5e73\u7b49\u53c2\u6570\u7684\u6b63\u786e\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n","protected":false},"excerpt":{"rendered":"

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