109 lines
3.0 KiB
C++
109 lines
3.0 KiB
C++
#include <WiFi.h>
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#include <WebServer.h>
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#include "DHT.h"
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// Uncomment one of the lines below for whatever DHT sensor type you're using!
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//#define DHTTYPE DHT11 // DHT 11
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//#define DHTTYPE DHT21 // DHT 21 (AM2301)
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#define DHTTYPE DHT22 // DHT 22 (AM2302), AM2321
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/*Put your SSID & Password*/
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const char* ssid = "xxxxxxxxxxxxxxxxxxxx"; // Enter SSID here
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const char* password = "xxxxxxxxxxxxxxxxxxxx"; //Enter Password here
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WebServer server(80);
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// DHT Sensor
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uint8_t DHTPinRack = 4;
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uint8_t DHTPinOutside = 2;
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// Initialize DHT sensor.
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DHT dht_rack(DHTPinRack, DHTTYPE);
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DHT dht_outside(DHTPinOutside, DHTTYPE);
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float temp_rack, temp_outside;
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float hum_rack, hum_outside;
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void setup() {
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Serial.begin(115200);
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delay(100);
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pinMode(DHTPinRack, INPUT);
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pinMode(DHTPinOutside, INPUT);
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dht_rack.begin();
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dht_outside.begin();
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Serial.println("Connecting to ");
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Serial.println(ssid);
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//connect to your local wi-fi network
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WiFi.begin(ssid, password);
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//check wi-fi is connected to wi-fi network
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while (WiFi.status() != WL_CONNECTED) {
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delay(1000);
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Serial.print(".");
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}
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Serial.println("");
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Serial.println("WiFi connected..!");
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Serial.print("Got IP: "); Serial.println(WiFi.localIP());
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server.on("/", handle_OnConnect);
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server.onNotFound(handle_NotFound);
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server.begin();
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Serial.println("HTTP server started");
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}
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void loop() {
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server.handleClient();
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}
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void handle_OnConnect() {
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temp_rack = dht_rack.readTemperature(); // Gets the values of the temperature
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hum_rack = dht_rack.readHumidity(); // Gets the values of the humidity
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temp_outside = dht_outside.readTemperature(); // Gets the values of the temperature
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hum_outside = dht_outside.readHumidity(); // Gets the values of the humidity
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server.send(200, "text/html", SendHTML(temp_rack,hum_rack,temp_outside,hum_outside));
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}
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void handle_NotFound(){
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server.send(404, "text/plain", "Not found");
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}
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String SendHTML(float temp_rack, float hum_rack, float temp_outside, float hum_outside){
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String ptr = "<!DOCTYPE html> <html>\n";
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ptr +="<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=no\">\n";
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ptr +="<title>ESP32 Gartenhaus</title>\n";
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ptr +="<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}\n";
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ptr +="body{margin-top: 50px;} h1 {color: #444444;margin: 50px auto 30px;}\n";
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ptr +="p {font-size: 24px;color: #444444;margin-bottom: 10px;}\n";
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ptr +="</style>\n";
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ptr +="</head>\n";
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ptr +="<body>\n";
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ptr +="<div id=\"webpage\">\n";
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ptr +="<h1>Outside</h1>\n";
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ptr +="<p>Temperature: ";
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ptr +=String(temp_outside,1);
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ptr +="C</p>";
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ptr +="<p>Humidity: ";
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ptr +=String(hum_outside,1);
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ptr +="%</p>";
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ptr +="<h1>Rack</h1>\n";
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ptr +="<p>Temperature: ";
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ptr +=String(temp_rack,1);
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ptr +="C</p>";
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ptr +="<p>Humidity: ";
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ptr +=String(hum_rack,2);
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ptr +="%</p>";
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ptr +="</div>\n";
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ptr +="</body>\n";
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ptr +="</html>\n";
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return ptr;
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} |