„esp32_temp_monitor.ino“ hinzufügen

2023-05-29 10:58:40 +00:00 · 2023-05-29 10:58:40 +00:00 · 8a50c8b6aa
parent ef566f8ed5
commit 8a50c8b6aa
1 changed files with 109 additions and 0 deletions
--- a/esp32_temp_monitor.ino
+++ b/esp32_temp_monitor.ino
@ -0,0 +1,109 @@
+#include <WiFi.h>
+#include <WebServer.h>
+#include "DHT.h"
+
+// Uncomment one of the lines below for whatever DHT sensor type you're using!
+//#define DHTTYPE DHT11   // DHT 11
+//#define DHTTYPE DHT21   // DHT 21 (AM2301)
+#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
+
+/*Put your SSID & Password*/
+const char* ssid = "xxxxxxxxxxxxxxxxxxxx";  // Enter SSID here
+const char* password = "xxxxxxxxxxxxxxxxxxxx";  //Enter Password here
+
+WebServer server(80);
+
+// DHT Sensor
+uint8_t DHTPinRack = 4; 
+uint8_t DHTPinOutside = 2; 
+               
+// Initialize DHT sensor.
+DHT dht_rack(DHTPinRack, DHTTYPE);      
+DHT dht_outside(DHTPinOutside, DHTTYPE);           
+
+float temp_rack, temp_outside;
+float hum_rack, hum_outside;
+ 
+void setup() {
+  Serial.begin(115200);
+  delay(100);
+  
+  pinMode(DHTPinRack, INPUT);
+  pinMode(DHTPinOutside, INPUT);
+
+  dht_rack.begin();  
+  dht_outside.begin();             
+
+  Serial.println("Connecting to ");
+  Serial.println(ssid);
+
+  //connect to your local wi-fi network
+  WiFi.begin(ssid, password);
+
+  //check wi-fi is connected to wi-fi network
+  while (WiFi.status() != WL_CONNECTED) {
+  delay(1000);
+  Serial.print(".");
+  }
+  Serial.println("");
+  Serial.println("WiFi connected..!");
+  Serial.print("Got IP: ");  Serial.println(WiFi.localIP());
+
+  server.on("/", handle_OnConnect);
+  server.onNotFound(handle_NotFound);
+
+  server.begin();
+  Serial.println("HTTP server started");
+
+}
+void loop() {
+  
+  server.handleClient();
+  
+}
+
+void handle_OnConnect() {
+
+  temp_rack = dht_rack.readTemperature(); // Gets the values of the temperature
+  hum_rack = dht_rack.readHumidity(); // Gets the values of the humidity 
+  temp_outside = dht_outside.readTemperature(); // Gets the values of the temperature
+  hum_outside = dht_outside.readHumidity(); // Gets the values of the humidity 
+  server.send(200, "text/html", SendHTML(temp_rack,hum_rack,temp_outside,hum_outside)); 
+}
+
+void handle_NotFound(){
+  server.send(404, "text/plain", "Not found");
+}
+
+String SendHTML(float temp_rack, float hum_rack, float temp_outside, float hum_outside){
+  String ptr = "<!DOCTYPE html> <html>\n";
+  ptr +="<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=no\">\n";
+  ptr +="<title>ESP32 Gartenhaus</title>\n";
+  ptr +="<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}\n";
+  ptr +="body{margin-top: 50px;} h1 {color: #444444;margin: 50px auto 30px;}\n";
+  ptr +="p {font-size: 24px;color: #444444;margin-bottom: 10px;}\n";
+  ptr +="</style>\n";
+  ptr +="</head>\n";
+  ptr +="<body>\n";
+  ptr +="<div id=\"webpage\">\n";
+  ptr +="<h1>Outside</h1>\n";
+  
+  ptr +="<p>Temperature: ";
+  ptr +=String(temp_outside,1);
+  ptr +="C</p>";
+  ptr +="<p>Humidity: ";
+  ptr +=String(hum_outside,1);
+  ptr +="%</p>";
+  ptr +="<h1>Rack</h1>\n";
+  
+  ptr +="<p>Temperature: ";
+  ptr +=String(temp_rack,1);
+  ptr +="C</p>";
+  ptr +="<p>Humidity: ";
+  ptr +=String(hum_rack,2);
+  ptr +="%</p>";
+  ptr +="</div>\n";
+  ptr +="</body>\n";
+  ptr +="</html>\n";
+  return ptr;
+}