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<!DOCTYPE html>
<html lang="en">
<head>
<!--[if lt IE 9]>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script type="text/javascript" src="vendor/bower/html5shiv/dist/html5shiv.js"></script>
<![endif]-->
<link rel="icon" type="image/png" href="favicon.png" />
<link rel="stylesheet" href="css/base.css">
<link rel="stylesheet" href="css/style.css">
<link rel="stylesheet" href="css/ribbon.css">
<link rel="stylesheet" href="resource/mystyle.css" />
<script type="text/javascript" src="resource/prettify.js"></script>
<script type="text/javascript" src="resource/lang-lua.js"></script>
<title>NodeMcu -- 像Arduino一样简单的开源可编程固件，还有Wifi哦！</title>
<script type="text/javascript" src="vendor/bower/jquery/jquery.js"></script>
<script type="text/javascript" src="js/backend/jquery-extends/live-patch.js"></script>
<script type="text/javascript">
var fonts = {
"Open Sans": {
"family": "Open Sans",
"source": "google",
"subsets": [
"cyrillic",
"cyrillic-ext",
"greek",
"greek-ext",
"latin",
"latin-ext",
"vietnamese"
],
"variants": [
"300",
"300italic",
"600",
"600italic",
"700",
"700italic",
"800",
"800italic",
"italic",
"regular"
]
},
"Oxygen": {
"family": "Oxygen",
"source": "google",
"subsets": [
"latin",
"latin-ext"
],
"variants": [
"300",
"700",
"regular"
]
}
};
</script>
<script type="text/javascript" src="vendor/js/webfont_cn.js"></script>
<script type="text/javascript" src="js/fontloader.js"></script>
<meta http-equiv="content-language" content="en">
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta charset="UTF-8">
<meta name="keywords" content="nodemcu,wifi-soc,esp8266" />
<meta name="description" content="NodeMcu -- a firmware based on ESP8266 wifi-soc." />
</head>
<body onload="prettyPrint()">
<div class="b-content">
<div id="fr_54747f3dd775ef1a360001a2" class="fr-widget fr-container fr_murose ">
<div id="fr_54747f65d775ef1a360001a6" class="fr-widget fr-grid fr_jagefe ">
<a id="fr_547774ea7976d87281000029" class="fr-widget fr-text fr-wf fr_hometopbutton fr-link fr-widget-hover-opacity-60" href="#fr_54745c8bd775ef4b99000011">
<div class="fr-text">首 页</div>
</a><!--
--><a id="fr_547774e07976d87281000024" class="fr-widget fr-text fr-wf fr_featurestopbutton fr-link fr-widget-hover-opacity-60" href="#fr_54747361d775ef1a3600000f">
<div class="fr-text">特 点</div>
</a><!--
--><a id="fr_547774d67976d8728100001f" class="fr-widget fr-text fr-wf fr_examplestopbutton fr-link fr-widget-hover-opacity-60" href="#fr_5475f7667976d8501100000f">
<div class="fr-text">示 例</div>
</a><!--
--><a id="fr_54775ef27976d8728100000f" class="fr-widget fr-text fr-wf fr_devkittopbutton fr-link fr-widget-hover-opacity-60" href="#fr_54747661d775ef1a3600009e">
<div class="fr-text">开发板</div>
</a><!--
--><a id="fr_549033f3f6fa847bcb00010a" class="fr-widget fr-text fr-wf fr_langtopbutton fr-link fr-widget-hover-opacity-60" href="index_en.html">
<div class="fr-text">English</div>
</a>
</div>
<div class="ribbon">
<a href="https://github.com/nodemcu/nodemcu-firmware">Fork me on GitHub</a>
</div>
</div><!--
--><div id="fr_54745c8bd775ef4b99000011" class="fr-widget fr-container fr_fixed_header ">
<div id="fr_54747d26d775ef1a3600019d" class="fr-widget fr-img fr_duhofu ">
<img src="images/thumbnail/nodemcu-style5-150px.png_150x150.png" />
</div><!--
--><div id="fr_54745c8bd775ef4b99000014" class="fr-widget fr-container fr_container_5 ">
<div id="fr_54745c8bd775ef4b9900001b" class="fr-widget fr-container fr_text_block_center_2 ">
<div id="fr_54745c8bd775ef4b99000055" class="fr-widget fr-text fr-wf fr_header_center_3 fr_h1 ">
<div class="fr-text">
<div>NodeMcu</div>超简单的物联网开发平台</div>
</div><!--
--><div id="fr_54745c8bd775ef4b99000053" class="fr-widget fr-text fr-wf fr_paragraph_center_2 ">
<div class="fr-text">
一款开源快速硬件原型平台，包括固件和开发板，用几行简单的Lua脚本就能开发物联网应用
</div>
</div>
</div>
</div>
<script>
(function() {
'use strict';
var $that = $(this);
$(window).on(
'scroll',
function() {
$that.css('top', -window.scrollY * 0.2 + 'px');
}
);
}).call(document.getElementsByClassName('fr_fixed_header')[0]);
</script>
</div><!--
--><div id="fr_54747361d775ef1a3600000f" class="fr-widget fr-container fr_features ">
<div id="fr_54747361d775ef1a3600001e" class="fr-widget fr-text fr-wf fr_featurestitle ">
<div class="fr-text">特点</div>
</div><!--
--><div id="fr_54747361d775ef1a3600001a" class="fr-widget fr-text fr-wf fr_featuresslogan ">
<div class="fr-text">开源，交互式，可编程，低成本，简单，智能，WI-FI硬件</div>
</div><!--
--><div id="fr_54747361d775ef1a36000013" class="fr-widget fr-grid fr_featuresgrid ">
<div id="fr_54747361d775ef1a3600002a" class="fr-widget fr-container fr_chip ">
<div id="fr_54747362d775ef1a36000084" class="fr-widget fr-img fr_chipimage ">
<img src="images/thumbnail/chips.png_200x200.png" />
</div><!--
--><div id="fr_54923c897af6d40d56000010" class="fr-widget fr-text fr-wf fr_textchipslogan ">
<div class="fr-text">像Arduino一样操作硬件IO</div>
</div><!--
--><div id="fr_54747362d775ef1a3600007c" class="fr-widget fr-text fr-wf fr_textchip ">
<div class="fr-text">提供硬件的高级接口，可以将应用开发者从繁复的硬件配置、寄存器操作中解放出来。用交互式Lua脚本，像arduino一样编写硬件代码！</div>
</div>
</div><!--
--><div id="fr_54747361d775ef1a36000026" class="fr-widget fr-container fr_node ">
<div id="fr_54747362d775ef1a36000060" class="fr-widget fr-img fr_nodeimage ">
<img src="images/thumbnail/node1s_1.png_200x200.png" />
</div><!--
--><div id="fr_54923cd67af6d40d56000014" class="fr-widget fr-text fr-wf fr_textnodeslogan ">
<div class="fr-text">用Nodejs类似语法写网络应用</div>
</div><!--
--><div id="fr_54747362d775ef1a36000058" class="fr-widget fr-text fr-wf fr_textnode ">
<div class="fr-text">事件驱动型API极大的方便了用户进行网络应用开发，使用类似Nodejs的方式编写网络代码，并运行于5mm*5mm大小的MCU之上，加快您的物联网开发进度。</div>
</div>
</div><!--
--><div id="fr_54747361d775ef1a36000022" class="fr-widget fr-container fr_cloud ">
<div id="fr_54747361d775ef1a3600003c" class="fr-widget fr-img fr_cloudimage ">
<img src="images/thumbnail/clouds.png_200x200.png" />
</div><!--
--><div id="fr_54923ce97af6d40d56000018" class="fr-widget fr-text fr-wf fr_textcloudslogan ">
<div class="fr-text">超低成本的WI-FI模块</div>
</div><!--
--><div id="fr_54747361d775ef1a36000034" class="fr-widget fr-text fr-wf fr_textcloud ">
<div class="fr-text">用于快速原型的开发板，集成了售价低于10人民币WIFI芯片ESP8266。我们为您提供性价比最高的物联网应用开发平台。</div>
</div>
</div>
</div>
</div><!--
--><div id="fr_54760baa7976d83acd000013" class="fr-widget fr-container fr_pudale ">
</div><!--
--><div id="fr_54747661d775ef1a3600009e" class="fr-widget fr-container fr_dev_kit ">
<div id="fr_54747661d775ef1a360000a8" class="fr-widget fr-text fr-wf fr_devkittitle ">
<div class="fr-text">开发板</div>
</div><!--
--><div id="fr_547629d27976d849b9000011" class="fr-widget fr-text fr-wf fr_devkitslogan ">
<div class="fr-text">基于乐鑫esp8266的NodeMcu开发板，具有GPIO、PWM、I2C、1-Wire、ADC等功能，结合NodeMcu 固件为您的原型开发提供最快速的途径。</div>
</div><!--
--><div id="fr_5476109a7976d83acd000017" class="fr-widget fr-img fr_devkitimage ">
<img src="images/thumbnail/zms.jpg_1200x1200.jpg" />
</div><!--
--><div id="fr_54747661d775ef1a360000a2" class="fr-widget fr-grid fr_devkit3columngrid ">
<div id="fr_54747661d775ef1a360000b4" class="fr-widget fr-container fr_pic1 ">
<div id="fr_54747662d775ef1a360000e4" class="fr-widget fr-img fr_devkitpic ">
<img src="images/thumbnail/z1s_1.jpg_450x300.jpg" />
</div><!--
--><div id="fr_54747662d775ef1a360000d8" class="fr-widget fr-text fr-wf fr_pic1dis ">
<div class="fr-text">包含usb串口，即插即用</div>
</div>
</div><!--
--><div id="fr_54747661d775ef1a360000b0" class="fr-widget fr-container fr_pic2 ">
<div id="fr_54747661d775ef1a360000d4" class="fr-widget fr-img fr_devkitpic_2 ">
<img src="images/thumbnail/b1s.jpg_450x300.jpg" />
</div><!--
--><div id="fr_54747661d775ef1a360000c8" class="fr-widget fr-text fr-wf fr_pic2dis ">
<div class="fr-text">10 GPIO, 每个都能配置为 PWM, I2C, 1-wire</div>
</div>
</div><!--
--><div id="fr_54747661d775ef1a360000ac" class="fr-widget fr-container fr_pic3 ">
<div id="fr_54747661d775ef1a360000c4" class="fr-widget fr-img fr_devkitpic_3 ">
<img src="images/thumbnail/c1s.jpg_450x300.jpg" />
</div><!--
--><div id="fr_54747661d775ef1a360000b8" class="fr-widget fr-text fr-wf fr_pic3dis ">
<div class="fr-text">FCC 认证的WI-FI模块，内置PCB天线</div>
</div>
</div>
</div>
</div><!--
--><div id="fr_547479c8d775ef1a36000108" class="fr-widget fr-container fr_pukolo ">
</div><!--
--><div id="fr_5475f7667976d8501100000f" class="fr-widget fr-container fr_examples ">
<div id="fr_5475f7667976d8501100001e" class="fr-widget fr-text fr-wf fr_examplestitle ">
<div class="fr-text">示例</div>
</div><!--
--><div id="fr_5475f7667976d8501100001a" class="fr-widget fr-text fr-wf fr_examplesslogan ">
<div class="fr-text">拿到开发板了？我们开始吧</div>
</div><!--
--><div id="fr_548f020bf6fa84489e000055" class="fr-widget fr-grid fr_examplesgrid ">
<div id="fr_548f0368f6fa84489e00006b" class="fr-widget fr-text fr-wf fr_paragraph_center_3 ">
<div class="fr-text">
<p>连接到路由器</p>
<pre class="prettyprint">
<code class="language-lua">
print(wifi.sta.getip())
--nil
wifi.setmode(wifi.STATION)
wifi.sta.config("SSID","password")
print(wifi.sta.getip())
--192.168.18.110
</code>
</pre>
</div>
</div><!--
--><div id="fr_548f038ff6fa84489e000070" class="fr-widget fr-text fr-wf fr_paragraph_center_4 ">
<div class="fr-text">
<p>像Arduino一样操作IO</p>
<pre class="prettyprint">
<code class="language-lua">
pin = 1
gpio.mode(pin,gpio.OUTPUT)
gpio.write(pin,gpio.HIGH)
gpio.mode(pin,gpio.INPUT)
print(gpio.read(pin))
</code>
</pre>
</div>
</div><!--
--><div id="fr_548f039bf6fa84489e000075" class="fr-widget fr-text fr-wf fr_paragraph_center_5 ">
<div class="fr-text">
<p>简单的HTTP客户端</p>
<pre class="prettyprint">
<code class="language-lua">
-- A simple http client
conn=net.createConnection(net.TCP, false)
conn:on("receive", function(conn, pl) print(pl) end)
conn:connect(80,"121.41.33.127")
conn:send("GET / HTTP/1.1\r\nHost: www.nodemcu.com\r\n"
.."Connection: keep-alive\r\nAccept: */*\r\n\r\n")
</code>
</pre>
</div>
</div><!--
--><div id="fr_548f03a6f6fa84489e00007a" class="fr-widget fr-text fr-wf fr_paragraph_center_6 ">
<div class="fr-text">
<p>更简单的HTTP服务器</p>
<pre class="prettyprint">
<code class="language-lua">
-- a simple http server
srv=net.createServer(net.TCP)
srv:listen(80,function(conn)
conn:on("receive",function(conn,payload)
print(payload)
conn:send("<h1> Hello, NodeMcu.</h1>")
end)
end)
</code>
</pre>
</div>
</div><!--
--><div id="fr_54900805f6fa847bcb00002b" class="fr-widget fr-text fr-wf fr_paragraph_center_7 ">
<div class="fr-text">
<p>PWM操作</p>
<pre class="prettyprint">
<code class="language-lua">
function led(r,g,b)
pwm.setduty(1,r)
pwm.setduty(2,g)
pwm.setduty(3,b)
end
pwm.setup(1,500,512)
pwm.setup(2,500,512)
pwm.setup(3,500,512)
pwm.start(1)
pwm.start(2)
pwm.start(3)
led(512,0,0) -- red
led(0,0,512) -- blue
</code>
</pre>
</div>
</div><!--
--><div id="fr_5490082df6fa847bcb00003d" class="fr-widget fr-text fr-wf fr_paragraph_center_8 ">
<div class="fr-text">
<p>闪烁LED</p>
<pre class="prettyprint">
<code class="language-lua">
lighton=0
tmr.alarm(0,1000,1,function()
if lighton==0 then
lighton=1
led(512,512,512)
-- 512/1024, 50% duty cycle
else
lighton=0
led(0,0,0)
end
end)
</code>
</pre>
</div>
</div><!--
--><div id="fr_54900834f6fa847bcb000042" class="fr-widget fr-text fr-wf fr_paragraph_center_9 ">
<div class="fr-text">
<p>启动文件</p>
<pre class="prettyprint">
<code class="language-lua">
--init.lua will be excuted
file.open("init.lua","w")
file.writeline([[print("Hello World!")]])
file.close()
node.restart() -- this will restart the module.
</code>
</pre>
</div>
</div><!--
--><div id="fr_54900837f6fa847bcb000047" class="fr-widget fr-text fr-wf fr_paragraph_center_10 ">
<div class="fr-text">
<p>用定时器来循环执行</p>
<pre class="prettyprint">
<code class="language-lua">
tmr.alarm(1,5000,1,function() print("alarm 1") end)
tmr.alarm(0,1000,1,function() print("alarm 0") end)
tmr.alarm(2,2000,1,function() print("alarm 2") end)
-- after sometime
tmr.stop(0)
</code>
</pre>
</div>
</div><!--
--><div id="fr_54900e2bf6fa847bcb00004c" class="fr-widget fr-text fr-wf fr_paragraph_center_11 ">
<div class="fr-text">
<p>纯Lua写的telnet服务器</p>
<pre class="prettyprint">
<code class="language-lua">
-- a simple telnet server
s=net.createServer(net.TCP,180)
s:listen(2323,function(c)
function s_output(str)
if(c~=nil)
then c:send(str)
end
end
node.output(s_output, 0)
-- re-direct output to function s_ouput.
c:on("receive",function(c,l)
node.input(l)
--like pcall(loadstring(l)), support multiple separate lines
end)
c:on("disconnection",function(c)
node.output(nil)
--unregist redirect output function, output goes to serial
end)
print("Welcome to NodeMcu world.")
end)
</code>
</pre>
</div>
</div><!--
--><div id="fr_54900e2ff6fa847bcb000051" class="fr-widget fr-text fr-wf fr_paragraph_center_12 ">
<div class="fr-text">
<p>与传感器接口</p>
<pre class="prettyprint">
<code class="language-lua">
-- read temperature with DS18B20
t=require("ds18b20")
t.setup(9)
addrs=t.addrs()
-- Total DS18B20 numbers, assume it is 2
print(table.getn(addrs))
-- The first DS18B20
print(t.read(addrs[1],t.C))
print(t.read(addrs[1],t.F))
print(t.read(addrs[1],t.K))
-- The second DS18B20
print(t.read(addrs[2],t.C))
print(t.read(addrs[2],t.F))
print(t.read(addrs[2],t.K))
-- Just read
print(t.read())
-- Just read as centigrade
print(t.read(nil,t.C))
-- Don't forget to release it after use
t = nil
ds18b20 = nil
package.loaded["ds18b20"]=nil
</code>
</pre>
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