Fire kind of finished and connection to ESP32 working for force sensor

Assets/1OurScripts/ConnectUnityWithSensors.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using System;
+using WebSocketSharp; // Ensure this matches the WebSocket library you're using
+
+public class ConnectUnityWithSensors : MonoBehaviour
+{
+    // Websocket Service
+    WebSocket ws;
+    //public AudioSource audioSource; // Assign in inspector
+    //public AudioClip narrationClip; // Assign in inspector
+    //
+    public string esp32IPAddress = "10.204.0.249"; // Assign your ESP32 IP Address
+    public string esp32WebsocketPort = "81"; // Assign your ESP32 WebSocket port, typically "81"
+
+    private bool forceDataReceived = false;
+    private int receivedForceValue = 0;
+
+    void Start()
+    {
+        ConnectWithESP32();
+        //StartCoroutine(NarrationAndSignalCoroutine());
+    }
+
+    public void ConnectWithESP32()
+    {
+        Debug.Log("Connecting Unity with ESP32 via Websockets...");
+        ws = new WebSocket($"ws://{esp32IPAddress}:{esp32WebsocketPort}");
+        ws.OnOpen += (sender, e) =>
+        {
+            Debug.Log("WebSocket connected");
+            ws.Send("Hello from Unity!");
+        };
+        ws.OnMessage += (sender, e) =>
+        {
+            Debug.Log("Received message: " + e.Data);
+            int parsedValue;
+            bool isNumeric = int.TryParse(e.Data, out parsedValue);
+            if (isNumeric)
+            {
+                receivedForceValue = parsedValue;
+                forceDataReceived = true; // Indicate that new data has been received
+            }
+        };
+        ws.Connect();
+        Debug.Log("Websocket state - " + ws.ReadyState);
+    }
+
+    /*IEnumerator NarrationAndSignalCoroutine()
+    {
+        audioSource.PlayOneShot(narrationClip);
+        yield return new WaitForSeconds(narrationClip.length);
+        if (ws.IsAlive)
+        {
+            ws.Send("Need Force");
+        }
+    }*/
+
+    void Update()
+    {
+        if (forceDataReceived)
+        {
+            if (receivedForceValue > 50)
+            {
+                Debug.Log("Force threshold exceeded, action triggered.");
+            }
+            forceDataReceived = false; // Reset for the next message
+        }
+    }
+
+    void OnDestroy()
+    {
+        if (ws != null && ws.IsAlive)
+        {
+            ws.Close();
+        }
+    }
+}

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Assets/OurESP32Scripts/ESP32/ESP32.ino

@@ -0,0 +1,92 @@
+#include <ArduinoWebsockets.h>
+#include <WiFi.h>
+
+const char* ssid = "dsv-extrality-lab"; // Change to your WiFi network name
+const char* password = "expiring-unstuck-slider"; // Change to your WiFi password
+
+using namespace websockets;
+
+WebsocketsServer server;
+WebsocketsClient client;
+int forceSensorValue = 0;
+const int forceSensorPin = 34; // Change to your actual force sensor pin
+
+void setup() {
+  Serial.begin(115200);
+  
+  // Initialize force sensor pin as input
+  pinMode(forceSensorPin, INPUT);
+  
+  // Connect to WiFi
+  WiFi.begin(ssid, password);
+
+  // Wait to connect to WiFi
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(1000);
+    Serial.println("Connecting to WiFi...");
+  }
+
+  Serial.println("Connected to WiFi");
+  Serial.print("IP Address: ");
+  Serial.println(WiFi.localIP());
+
+  // Start WebSocket server
+  server.listen(81);
+  Serial.println("WebSocket server started.");
+}
+
+void loop() {
+   //Serial.println(WiFi.localIP());
+if (server.poll()) {  //server.poll() checks if any client is waiting to connect
+    Serial.println("Client is available to connect...");
+    client = server.accept();  // Accept() --> what server.accept does, is: "server, please wait until there is a client knocking on the door. when there is a client knocking, let him in and give me it's object".
+    Serial.println("Client connected...");
+
+    while (client.available()) {
+      
+        Serial.println("Waiting for client to send a message...");
+        WebsocketsMessage msg = client.readBlocking();//readBlocking(removes the need for calling poll()) will return the first message or event received. readBlocking can also return Ping, Pong and Close messages.
+       
+        // log
+        Serial.print("Got Message: ");
+        Serial.println(msg.data());
+        // Condition to blink the light at the start of program as a hello indication
+        if(msg.data().startsWith("Hello")){
+          for(int i=0;i<4;i++){
+            digitalWrite(11, HIGH);  //Blink on 
+            delay(170);
+            digitalWrite(11, LOW);  //Blink off 
+          }
+          client.send(String(10));  
+        }
+        if (msg.data().equalsIgnoreCase("Need Force")) {
+          digitalWrite(11, HIGH);  //Notify user to use force sensor
+          Serial.println("Reading value from Force Sensor...");
+          while (forceSensorValue <= 20) {
+
+            analogReadResolution(10);  // This statement tells in how many bits the AnalogRead should happen.
+            // analogRead function returns the integer 10 bit integer (0 to 1023)
+            forceSensorValue = analogRead(A0);
+
+            if (forceSensorValue > 20) {
+              digitalWrite(13, HIGH);
+              Serial.print(forceSensorValue, DEC);
+              Serial.print("\n");  // Sending New Line character is important to read data in unity
+              Serial.flush();
+
+              // return echo
+              client.send(String(forceSensorValue));
+              digitalWrite(11, LOW);  //Notify user NOT to use force sensor
+              digitalWrite(13, LOW);  // Turn off built-in LED to notify user that value reading is done.
+              forceSensorValue = 0;
+              break;
+            }
+          }
+        }
+        
+    }
+    // close the connection
+    client.close();
+  }
+}
+

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