//Test11-WiFiWebServer_DHT11 #include "WiFiS3.h" #include #include "arduino_secrets.h" #define DHTPIN 11 // Define the pin used to connect the sensor #define DHTTYPE DHT11 // Define the sensor type DHT dht(DHTPIN, DHTTYPE); // Create a DHT object ///////please enter your sensitive data in the Secret tab/arduino_secrets.h char ssid[] = SECRET_SSID; // your network SSID (name) char pass[] = SECRET_PASS; // your network password (use for WPA, or use as key for WEP) int keyIndex = 0; // your network key index number (needed only for WEP) int status = WL_IDLE_STATUS; WiFiServer server(80); void setup() { //Initialize serial and wait for port to open: Serial.begin(9600); while (!Serial) { ; // wait for serial port to connect. Needed for native USB port only } dht.begin(); // Initialize the DHT sensor // check for the WiFi module: if (WiFi.status() == WL_NO_MODULE) { Serial.println("Communication with WiFi module failed!"); // don't continue while (true); } String fv = WiFi.firmwareVersion(); if (fv < WIFI_FIRMWARE_LATEST_VERSION) { Serial.println("Please upgrade the firmware"); } // attempt to connect to WiFi network: while (status != WL_CONNECTED) { Serial.print("Attempting to connect to SSID: "); Serial.println(ssid); // Connect to WPA/WPA2 network. Change this line if using open or WEP network: status = WiFi.begin(ssid, pass); // wait 10 seconds for connection: delay(10000); } server.begin(); // you're connected now, so print out the status: printWifiStatus(); } void printWifiStatus() { // print the SSID of the network you're attached to: Serial.print("SSID: "); Serial.println(WiFi.SSID()); // print your board's IP address: IPAddress ip = WiFi.localIP(); Serial.print("IP Address: http://"); Serial.println(ip); // print the received signal strength: long rssi = WiFi.RSSI(); Serial.print("signal strength (RSSI):"); Serial.print(rssi); Serial.println(" dBm"); } float humidity, temperature; void loop() { // listen for incoming clients WiFiClient 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 = client.read(); Serial.write(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 == '\n' && 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(); client.println(""); client.println(""); // Reading temperature or humidity takes about 250 milliseconds! humidity = dht.readHumidity();//湿度 temperature = dht.readTemperature();//温度 client.print("Humidity="); client.print(humidity); client.print(" "); client.print("Temperature="); client.print(temperature); client.println("
"); client.println(""); break; } if (c == '\n') { // you're starting a new line currentLineIsBlank = true; } else if (c != '\r') { // you've gotten a character on the current line currentLineIsBlank = false; } } } // give the web browser time to receive the data delay(1); // close the connection: client.stop(); Serial.println("client disconnected"); } }