Arduino文档阅读笔记-WeMos D1 ESP8266 WIFI开发板入门

WeMos D1开发板以ESP8266WIFI开发板为基础，使用Arduino开发板的设计，工作电压为3.3V设计出来的开发板，这个开发板仅仅是使用了Arduino uno的布局设计，并不是Arduino的开发板。

下面是关于这块开发板的说明书：

总结下：

此开发板芯片为ESP8266（32位），缓存比Arduino Uno大，并且包含11个数字IO引脚以及1个模拟输入引脚，使用Micro-B type USB线进行连接。

下面是引脚方面的说明！

所有的引脚都需要跑到3.3V上，并且除了D0口其他口都支持interrupt/PWM/I2C/one-wire。

下面是在Arduino IDE中部署其开发环境

软件需要如下3个：

CH340G USB to UART driver: https://www.wemos.cc/downloads

Python 2.7: https://www.python.org/downloads/release/python-2713/

Arduino 1.8.2: https://www.arduino.cc/en/Main/Software

 

在Arduino的目录下新建2个文件夹esp8266com及esp8266

在Github上下载其库文件：

将压缩包放到esp8266目录下，然后解压：

将里面的文件移到到esp8266中，再将Arduino-master与Arduino-master.zip删掉。

最后变成这个样子即可！

打开CMD然后执行如下命名：

python get.py

此命令将会下载开发板所需要的工具，一切正常，且安装好将会是这样的。

这样就完成了安装！！！

 

使用Arduino IDE时要选中正确的开发板，Toos>Board中选择"WeMos D1 R2 & Mini"即可：

下面是几个示例代码：

Blink

/*ESP8266 Blink by Simon PeterBlink the blue LED on the ESP-01 moduleThis example code is in the public domainThe blue LED on the ESP-01 module is connected to GPIO1 (which is also the TXD pin; so we cannot use Serial.print() at the same time)Note that this sketch uses LED_BUILTIN to find the pin with the internal LED */void setup() {pinMode(LED_BUILTIN, OUTPUT); // Initialize the LED_BUILTIN pin as an output }// the loop function runs over and over again forever void loop() {digitalWrite(LED_BUILTIN, LOW); // Turn the LED on (Note that LOW is the voltage level// but actually the LED is on; this is because // it is active low on the ESP-01)delay(1000); // Wait for a seconddigitalWrite(LED_BUILTIN, HIGH); // Turn the LED off by making the voltage HIGHdelay(2000); // Wait for two seconds (to demonstrate the active low LED) }

查看下芯片的ID，这里串口打印频率要选择115200

/* Get Chip ID* wemos.cc* * */void setup() {Serial.begin(115200); }void loop() {Serial.println("");Serial.println("");Serial.println("Check ID in:");Serial.println("https://www.wemos.cc/verify_products");Serial.printf("Chip ID = %08Xn", ESP.getChipId());Serial.println("");Serial.println("");delay(5000); }

运行一个简单的Web Server

#include <ESP8266WiFi.h> #include <WiFiClient.h> #include <ESP8266WebServer.h> #include <ESP8266mDNS.h>const char* ssid = "........"; const char* password = "........";ESP8266WebServer server(80);const int led = 13;void handleRoot() {digitalWrite(led, 1);server.send(200, "text/plain", "Hello from esp8266!");digitalWrite(led, 0); }void handleNotFound(){digitalWrite(led, 1);String message = "File Not Foundnn";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(led, OUTPUT);digitalWrite(led, 0);Serial.begin(115200);WiFi.begin(ssid, password);Serial.println("");// Wait for connectionwhile (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("/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(); }

ssid填写wifi名，password填写wifi密码

 

 

 

 

 

 

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