Feedback, node code, and documentation updated.

docs/LearningProcessBram/ArduinoExperience/NodeWithWebConnection.ino

@@ -0,0 +1,86 @@
+#include "DHT.h"
+#include <WiFi.h>
+#include <WiFiMulti.h>
+#include <WebSocketsClient.h>
+
+#define DHTPIN 4
+#define DHTTYPE DHT11 
+
+uint8_t h;
+uint8_t t;
+
+uint16_t interval = 5000;
+unsigned long currentMillis;
+unsigned long lastMillis;
+
+WiFiMulti wifiMulti;
+WebSocketsClient webSocket;
+
+DHT dht(DHTPIN, DHTTYPE);
+
+void webSocketEvent(WStype_t type, uint8_t * payload, size_t length) {
+  // Handle WebSocket events here if needed
+}
+
+void setup() {
+  Serial.begin(9600);
+  Serial.println(F("DHTxx test!"));
+  dht.begin();
+
+  wifiMulti.addAP("iotroam", "sGMINiJDcU");
+  wifiMulti.addAP("Ziggo6565749", "Ziggobroek1@");
+
+  Serial.println("Connecting Wifi...");
+  if (wifiMulti.run() == WL_CONNECTED) {
+    Serial.println("");
+    Serial.println("WiFi connected");
+    Serial.println("IP address: ");
+    Serial.println(WiFi.localIP());
+
+    // Connect to WebSocket server
+    webSocket.begin("145.92.8.114", 80, "/ws"); // Replace with your Raspberry Pi's IP address and port
+    webSocket.onEvent(webSocketEvent);
+    webSocket.setReconnectInterval(500);
+  }
+}
+
+void loop() {
+
+    // update when interval is met
+  if (currentMillis - lastMillis >= interval){
+    lastMillis = millis();
+    update();
+  }
+
+  // update the counter
+  currentMillis = millis();
+
+  float h = dht.readHumidity();
+  // Read temperature as Celsius (the default)
+  float t = dht.readTemperature();
+
+  if (isnan(h) || isnan(t)) {
+    Serial.println(F("Failed to read from DHT sensor!"));
+    return;
+  }
+
+  // Compute heat index in Celsius (isFahrenheit = false)
+  float hic = dht.computeHeatIndex(t, h, false);
+
+  Serial.print(F("Humidity: "));
+  Serial.print(h);
+  Serial.print(F("%  Temperature: "));
+  Serial.print(t);
+  Serial.print(F("°C "));
+  Serial.print(hic);
+  Serial.print(F("°C "));
+
+    
+
+  // Ensure WebSocket communication
+  webSocket.loop();
+}
+
+void update(){
+  webSocket.sendTXT("{\"node\": \"" + String(WiFi.macAddress()) + "\", \"Temp\":\"" + String(t) + "\",\"Humi\":\"" + String(h) + "\"}");
+}