2018-05-21 01:08

wemos d1(作为客户端)和网络服务器(在arduino或wemos d1上)通过LAN [关闭]之间的通信


So I wanted to do some home automation, so I assigned an esp8266 to each of the rooms of my house, all of them are connected to a single wifi as clients with static ip addresses, so I can control my lights by sending get request to each esps IP, so my problem is that I want to make a webserver running on an arduino or esp8266 so that it could save the states of all the lights of the house. I can easily do this on wammp where php will handle all the get requests made by the client esps and save the data in a database, but can a webserver(on esp or arduino) handle those get requests and save the states in some memory.

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  • drz49609 drz49609 3年前

    Yes, you can run a webserver with Arduino. This is the example from

      Web Server
     A simple web server that shows the value of the analog input pins.
     using an Arduino Wiznet Ethernet shield.
     * Ethernet shield attached to pins 10, 11, 12, 13
     * Analog inputs attached to pins A0 through A5 (optional)
     created 18 Dec 2009
     by David A. Mellis
     modified 9 Apr 2012
     by Tom Igoe
     modified 02 Sept 2015
     by Arturo Guadalupi
    #include <SPI.h>
    #include <Ethernet.h>
    // Enter a MAC address and IP address for your controller below.
    // The IP address will be dependent on your local network:
    byte mac[] = {
      0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
    IPAddress ip(192, 168, 1, 177);
    // Initialize the Ethernet server library
    // with the IP address and port you want to use
    // (port 80 is default for HTTP):
    EthernetServer server(80);
    void setup() {
      // Open serial communications and wait for port to open:
      while (!Serial) {
        ; // wait for serial port to connect. Needed for native USB port only
      // start the Ethernet connection and the server:
      Ethernet.begin(mac, ip);
      Serial.print("server is at ");
    void loop() {
      // listen for incoming clients
      EthernetClient client = server.available();
      if (client) {
        Serial.println("new client");
        // an http request ends with a blank line
        boolean currentLineIsBlank = true;
        while (client.connected()) {
          if (client.available()) {
            char c =;
            // if you've gotten to the end of the line (received a newline
            // character) and the line is blank, the http request has ended,
            // so you can send a reply
            if (c == '
    ' && currentLineIsBlank) {
              // send a standard http response header
              client.println("HTTP/1.1 200 OK");
              client.println("Content-Type: text/html");
              client.println("Connection: close");  // the connection will be closed after completion of the response
              client.println("Refresh: 5");  // refresh the page automatically every 5 sec
              client.println("<!DOCTYPE HTML>");
              // output the value of each analog input pin
              for (int analogChannel = 0; analogChannel < 6; analogChannel++) {
                int sensorReading = analogRead(analogChannel);
                client.print("analog input ");
                client.print(" is ");
                client.println("<br />");
            if (c == '
    ') {
              // you're starting a new line
              currentLineIsBlank = true;
            } else if (c != '') {
              // you've gotten a character on the current line
              currentLineIsBlank = false;
        // give the web browser time to receive the data
        // close the connection:
        Serial.println("client disconnected");

    Save the states in a global variable and initialize them in setup(). When a client sends its request, it has to send its id or ip and the server can response with the state.

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