．商品簡介：
Wemos D1 R1是一款功能強大的物聯網開發板，它基於ESP8266微控制器，支援802.11 b/g/n Wi-Fi標準，可實現無線網絡連接和控制。這款開發板具有小巧的外形和強大的性能，為使用者帶來了更為便捷和高效的開發體驗。
擁有多種外設接口，包括GPIO、I2C、SPI和UART等，可輕鬆連接各種傳感器和外部設備。此外，Wemos D1 R1還具有集成式USB插口，使得用戶可通過USB線進行編程和調試，非常方便。支援多種開發環境，如Arduino IDE、MicroPython等，並且有豐富的擴展庫，提供了大量的代碼示例和庫函數，方便使用者進行開發和快速原型設計。此外，Wemos d1 R1還可通過OTA（空中更新）方式進行固件升級，讓用戶能夠更加輕鬆地進行開發和更新。
．主要用途：
– 開發 IOT產品
．商品特色：
– 強大的處理能力：Wemos D1 R1搭載ESP8266微控制器，具有高速處理能力和強大的Wi-Fi功能，能夠輕鬆實現互聯網連接和物聯網應用。
– 兼容Arduino開發板：Wemos D1 R1的腳位布局與Arduino開發板兼容，可輕鬆使用Arduino IDE進行編程開發。
– 保留 Arduino UNO R3的特性，並添加上 WiFi 功能。
– 集成式USB插口，方便編程和調試，並且減少了外部連接器的使用。
．商品規格：
尺寸：68.7*53.3*15.5mm
重量：25g
品牌：WeMos
微控制器：ESP8266EX
最高運算速度：80Mhz
無線芯片：ESP8266
無線標準：802.11 b/g/n
數碼 I/O Pins：11
模擬 I/O Pins：1
存儲容量：4MBytes
電壓：3.3V
USB芯片：CH340
OTA無線上傳：支援
Github： [https://github.com/wemos/Arduino_D1](https://github.com/wemos/Arduino_D1)
．商品包含：
1 x WeMos D1 R1 開發板
・示範短片：
・程式範例：
#include <ESP8266WiFi.h>
#include <DNSServer.h>
#include <ESP8266WebServer.h>
#include <WiFiManager.h> // https://github.com/tzapu/WiFiManager
// Set web server port number to 80
WiFiServer server(80);
// Variable to store the HTTP request
String header;
// Auxiliar variables to store the current output state
String output5State = "off";
String output4State = "off";
// Assign output variables to GPIO pins
const int output5 = 5;
const int output4 = 4;
void setup() {
Serial.begin(115200);
// Initialize the output variables as outputs
pinMode(output5, OUTPUT);
pinMode(output4, OUTPUT);
// Set outputs to LOW
digitalWrite(output5, LOW);
digitalWrite(output4, LOW);
// WiFiManager
// Local intialization. Once its business is done, there is no need to keep it around
WiFiManager wifiManager;
// Uncomment and run it once, if you want to erase all the stored information
//wifiManager.resetSettings();
// set custom ip for portal
//wifiManager.setAPConfig(IPAddress(10,0,1,1), IPAddress(10,0,1,1), IPAddress(255,255,255,0));
// fetches ssid and pass from eeprom and tries to connect
// if it does not connect it starts an access point with the specified name
// here "AutoConnectAP"
// and goes into a blocking loop awaiting configuration
wifiManager.autoConnect("AutoConnectAP");
// or use this for auto generated name ESP + ChipID
//wifiManager.autoConnect();
// if you get here you have connected to the WiFi
Serial.println("Connected.");
server.begin();
}
void loop(){
WiFiClient client = server.available(); // Listen for incoming clients
if (client) { // If a new client connects,
Serial.println("New Client."); // print a message out in the serial port
String currentLine = ""; // make a String to hold incoming data from the client
while (client.connected()) { // loop while the client's connected
if (client.available()) { // if there's bytes to read from the client,
char c = client.read(); // read a byte, then
Serial.write(c); // print it out the serial monitor
header += c;
if (c == '\n') { // if the byte is a newline character
// if the current line is blank, you got two newline characters in a row.
// that's the end of the client HTTP request, so send a response:
if (currentLine.length() == 0) {
// HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
// and a content-type so the client knows what's coming, then a blank line:
client.println("HTTP/1.1 200 OK");
client.println("Content-type:text/html");
client.println("Connection: close");
client.println();
// turns the GPIOs on and off
if (header.indexOf("GET /5/on") >= 0) {
Serial.println("GPIO 5 on");
output5State = "on";
digitalWrite(output5, HIGH);
} else if (header.indexOf("GET /5/off") >= 0) {
Serial.println("GPIO 5 off");
output5State = "off";
digitalWrite(output5, LOW);
} else if (header.indexOf("GET /4/on") >= 0) {
Serial.println("GPIO 4 on");
output4State = "on";
digitalWrite(output4, HIGH);
} else if (header.indexOf("GET /4/off") >= 0) {
Serial.println("GPIO 4 off");
output4State = "off";
digitalWrite(output4, LOW);
}
// Display the HTML web page
client.println("<!DOCTYPE html><html>");
client.println("<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">");
client.println("<link rel=\"icon\" href=\"data:,\">");
// CSS to style the on/off buttons
// Feel free to change the background-color and font-size attributes to fit your preferences
client.println("<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}");
client.println(".button { background-color: #195B6A; border: none; color: white; padding: 16px 40px;");
client.println("text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}");
client.println(".button2 {background-color: #77878A;}</style></head>");
// Web Page Heading
client.println("<body><h1>ESP8266 Web Server</h1>");
// Display current state, and ON/OFF buttons for GPIO 5
client.println("<p>GPIO 5 - State " + output5State + "</p>");
// If the output5State is off, it displays the ON button
if (output5State=="off") {
client.println("<p><a href=\"/5/on\"><button class=\"button\">ON</button></a></p>");
} else {
client.println("<p><a href=\"/5/off\"><button class=\"button button2\">OFF</button></a></p>");
}
// Display current state, and ON/OFF buttons for GPIO 4
client.println("<p>GPIO 4 - State " + output4State + "</p>");
// If the output4State is off, it displays the ON button
if (output4State=="off") {
client.println("<p><a href=\"/4/on\"><button class=\"button\">ON</button></a></p>");
} else {
client.println("<p><a href=\"/4/off\"><button class=\"button button2\">OFF</button></a></p>");
}
client.println("</body></html>");
// The HTTP response ends with another blank line
client.println();
// Break out of the while loop
break;
} else { // if you got a newline, then clear currentLine
currentLine = "";
}
} else if (c != '\r') { // if you got anything else but a carriage return character,
currentLine += c; // add it to the end of the currentLine
}
}
}
// Clear the header variable
header = "";
// Close the connection
client.stop();
Serial.println("Client disconnected.");
Serial.println("");
}
}
商品評價
目前沒有評價。