ahmed3991 · abdou-henna · Oct 21, 2025 · Oct 21, 2025 · Oct 21, 2025 · Oct 28, 2025
diff --git a/TP3/.vscode/c_cpp_properties.json b/TP3/.vscode/c_cpp_properties.json
@@ -0,0 +1,58 @@
+//
+// !!! WARNING !!! AUTO-GENERATED FILE!
+// PLEASE DO NOT MODIFY IT AND USE "platformio.ini":
+// https://docs.platformio.org/page/projectconf/section_env_build.html#build-flags
+//
+{
+    "configurations": [
+        {
+            "name": "PlatformIO",
+            "includePath": [
+                "D:/UniverStudy/ML/AIoT-2025/TP3/src",
+                "D:/UniverStudy/ML/AIoT-2025/TP3/.pio/libdeps/uno/DHT sensor library",
+                "D:/UniverStudy/ML/AIoT-2025/TP3/.pio/libdeps/uno/Adafruit Unified Sensor",
+                "C:/Users/GHE.INFO/.platformio/packages/framework-arduino-avr/cores/arduino",
+                "C:/Users/GHE.INFO/.platformio/packages/framework-arduino-avr/variants/standard",
+                "C:/Users/GHE.INFO/.platformio/packages/framework-arduino-avr/libraries/EEPROM/src",
+                "C:/Users/GHE.INFO/.platformio/packages/framework-arduino-avr/libraries/HID/src",
+                "C:/Users/GHE.INFO/.platformio/packages/framework-arduino-avr/libraries/SPI/src",
+                "C:/Users/GHE.INFO/.platformio/packages/framework-arduino-avr/libraries/SoftwareSerial/src",
+                "C:/Users/GHE.INFO/.platformio/packages/framework-arduino-avr/libraries/Wire/src",
+                ""
+            ],
+            "browse": {
+                "limitSymbolsToIncludedHeaders": true,
+                "path": [
+                    "D:/UniverStudy/ML/AIoT-2025/TP3/src",
+                    "D:/UniverStudy/ML/AIoT-2025/TP3/.pio/libdeps/uno/DHT sensor library",
+                    "D:/UniverStudy/ML/AIoT-2025/TP3/.pio/libdeps/uno/Adafruit Unified Sensor",
+                    "C:/Users/GHE.INFO/.platformio/packages/framework-arduino-avr/cores/arduino",
+                    "C:/Users/GHE.INFO/.platformio/packages/framework-arduino-avr/variants/standard",
+                    "C:/Users/GHE.INFO/.platformio/packages/framework-arduino-avr/libraries/EEPROM/src",
+                    "C:/Users/GHE.INFO/.platformio/packages/framework-arduino-avr/libraries/HID/src",
+                    "C:/Users/GHE.INFO/.platformio/packages/framework-arduino-avr/libraries/SPI/src",
+                    "C:/Users/GHE.INFO/.platformio/packages/framework-arduino-avr/libraries/SoftwareSerial/src",
+                    "C:/Users/GHE.INFO/.platformio/packages/framework-arduino-avr/libraries/Wire/src",
+                    ""
+                ]
+            },
+            "defines": [
+                "PLATFORMIO=60118",
+                "ARDUINO_AVR_UNO",
+                "F_CPU=16000000L",
+                "ARDUINO_ARCH_AVR",
+                "ARDUINO=10808",
+                "__AVR_ATmega328P__",
+                ""
+            ],
+            "cStandard": "gnu11",
+            "cppStandard": "gnu++11",
+            "compilerPath": "C:/Users/GHE.INFO/.platformio/packages/toolchain-atmelavr/bin/avr-gcc.exe",
+            "compilerArgs": [
+                "-mmcu=atmega328p",
+                ""
+            ]
+        }
+    ],
+    "version": 4
+}
diff --git a/TP3/.vscode/extensions.json b/TP3/.vscode/extensions.json
@@ -0,0 +1,10 @@
+{
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": [
+        "platformio.platformio-ide"
+    ],
+    "unwantedRecommendations": [
+        "ms-vscode.cpptools-extension-pack"
+    ]
+}
diff --git a/TP3/.vscode/launch.json b/TP3/.vscode/launch.json
@@ -0,0 +1,44 @@
+// AUTOMATICALLY GENERATED FILE. PLEASE DO NOT MODIFY IT MANUALLY
+//
+// PlatformIO Debugging Solution
+//
+// Documentation: https://docs.platformio.org/en/latest/plus/debugging.html
+// Configuration: https://docs.platformio.org/en/latest/projectconf/sections/env/options/debug/index.html
+
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "platformio-debug",
+            "request": "launch",
+            "name": "PIO Debug",
+            "executable": "D:/UniverStudy/ML/AIoT-2025/TP3/.pio/build/uno/firmware.elf",
+            "projectEnvName": "uno",
+            "toolchainBinDir": "C:/Users/GHE.INFO/.platformio/packages/toolchain-atmelavr/bin",
+            "internalConsoleOptions": "openOnSessionStart",
+            "preLaunchTask": {
+                "type": "PlatformIO",
+                "task": "Pre-Debug"
+            }
+        },
+        {
+            "type": "platformio-debug",
+            "request": "launch",
+            "name": "PIO Debug (skip Pre-Debug)",
+            "executable": "D:/UniverStudy/ML/AIoT-2025/TP3/.pio/build/uno/firmware.elf",
+            "projectEnvName": "uno",
+            "toolchainBinDir": "C:/Users/GHE.INFO/.platformio/packages/toolchain-atmelavr/bin",
+            "internalConsoleOptions": "openOnSessionStart"
+        },
+        {
+            "type": "platformio-debug",
+            "request": "launch",
+            "name": "PIO Debug (without uploading)",
+            "executable": "D:/UniverStudy/ML/AIoT-2025/TP3/.pio/build/uno/firmware.elf",
+            "projectEnvName": "uno",
+            "toolchainBinDir": "C:/Users/GHE.INFO/.platformio/packages/toolchain-atmelavr/bin",
+            "internalConsoleOptions": "openOnSessionStart",
+            "loadMode": "manual"
+        }
+    ]
+}
diff --git a/TP3/diagram.json b/TP3/diagram.json
@@ -1,50 +1,23 @@
 {
-    "version": 1,
-    "author": "AIoT2025-TP3",
-    "editor": "wokwi",
-    "parts": [
-        {
-            "type": "wokwi-arduino-uno",
-            "id": "uno",
-            "top": 0,
-            "left": 0,
-            "attrs": {}
-        },
-        {
-            "type": "wokwi-dht22",
-            "id": "dht1",
-            "top": -201.3,
-            "left": 23.4,
-            "attrs": {}
-        }
-    ],
-    "connections": [
-        [
-            "dht1:VCC",
-            "uno:5V",
-            "red",
-            [
-                "v316.8",
-                "h124.8"
-            ]
-        ],
-        [
-            "dht1:SDA",
-            "uno:2",
-            "green",
-            [
-                "v57.6",
-                "h192.1"
-            ]
-        ],
-        [
-            "dht1:GND",
-            "uno:GND.1",
-            "black",
-            [
-                "v0"
-            ]
-        ]
-    ],
-    "dependencies": {}
+  "version": 1,
+  "author": "AIoT2025-TP3",
+  "editor": "wokwi",
+  "parts": [
+    { "type": "wokwi-arduino-uno", "id": "uno", "top": 0.6, "left": -0.6, "attrs": {} },
+    { "type": "wokwi-dht22", "id": "dht1", "top": -162.9, "left": -82.2, "attrs": {} },
+    { "type": "wokwi-gas-sensor", "id": "mq2", "top": -150.9, "left": 83.8, "attrs": {} },
+    { "type": "wokwi-flame-sensor", "id": "flame1", "top": -149, "left": 405.8, "attrs": {} }
+  ],
+  "connections": [
+    [ "dht1:VCC", "uno:5V", "red", [ "v316.8", "h220.8", "v-76.7" ] ],
+    [ "dht1:SDA", "uno:2", "green", [ "v38.4", "h294.2" ] ],
+    [ "dht1:GND", "uno:GND.1", "black", [ "v19.2", "h153.9" ] ],
+    [ "mq2:VCC", "uno:5V", "red", [ "h96", "v315.9", "h-157.4" ] ],
+    [ "mq2:AOUT", "uno:A0", "blue", [ "h115.2", "v383.5" ] ],
+    [ "flame1:VCC", "uno:5V", "red", [ "h9.6", "v403.2", "h-455" ] ],
+    [ "flame1:GND", "uno:GND.3", "black", [ "h38.4", "v355.1", "h-349" ] ],
+    [ "flame1:DOUT", "uno:3", "orange", [ "v86.2", "h-377.8" ] ],
+    [ "mq2:GND", "uno:GND.1", "black", [ "h28.8", "v47.2", "h-134.4", "v9.6" ] ]
+  ],
+  "dependencies": {}
 }
diff --git a/TP3/src/main.cpp b/TP3/src/main.cpp
@@ -1,69 +1,109 @@
-
 #include "DHT.h"
-#define DHTPIN 2      // Digital pin connected to the DHT sensor
-#define DHTTYPE DHT22 // DHT 22  (AM2302), AM2321
+#include <math.h>
+
+#define DHTPIN 2       
+#define DHTTYPE DHT22  
 DHT dht(DHTPIN, DHTTYPE);
 
+#define MQ2_PIN A0     
+#define FLAME_PIN 3    
+
 const int N_FEATURES = 12;
-const float MEAN[N_FEATURES] = {/* μ_Temperature, μ_Humidity */};
-const float STD[N_FEATURES] = {/* σ_Temperature, σ_Humidity */};
-const float WEIGHTS[N_FEATURES] = {/* W_Temperature, W_Humidity */};
-const float BIAS = 0; /* b */
 
-float X[N_FEATURES] = {20.0, 57.36, 0, 400, 12306, 18520, 939.735, 0.0, 0.0, 0.0, 0.0, 0.0}; // Input features
+const float MEAN[N_FEATURES] = {
+  31297.363165, 1654791844.021415, 15.953115, 48.574302,
+  1922.884341, 667.743913, 12942.300974, 19754.250459,
+  938.631948, 100.887285, 186.073921, 490.209271
+};
+
+const float STD[N_FEATURES] = {
+  18071.764509, 109669.276420, 14.358038, 8.821188,
+  7755.895054, 1903.782213, 271.168609, 606.975952,
+  1.324514, 925.303530, 1991.527889, 4259.415670
+};
+
+const float WEIGHTS[N_FEATURES] = {
+  -1.373408, -0.342746, -0.212932, 1.180184,
+  -22.874995, 0.849484, -0.068718, -3.561514,
+  -2.865623, 1.926110, 0.944893, 2.861934
+};
+
+const float BIAS = 17.515389;
+
+float X[N_FEATURES] = {
+  20.0, 57.36, 0, 400,
+  12306, 18520, 939.735, 0.0,
+  0.0, 0.0, 0.0, 0.0
+};
+
+float standardize(float x, int idx) {
+  return (x - MEAN[idx]) / STD[idx];
+}
+
+float sigmoid(float z) {
+  if (z > 10) z = 10;
+  if (z < -10) z = -10;
+  return 1.0 / (1.0 + exp(-z));
+}
+
+float predict(float features[]) {
+  float z = 0.0;
+  for (int i = 0; i < N_FEATURES; i++) {
+    float x_std = standardize(features[i], i);
+    z += WEIGHTS[i] * x_std;
+  }
+  z += BIAS;
+  return sigmoid(z);
+}
 
-void setup()
-{
+void setup() {
   Serial.begin(9600);
-  Serial.println(F("DHTxx test!"));
+  Serial.println(F("🔥 Fire Detection System — Based on Professor's Model"));
   dht.begin();
+  pinMode(MQ2_PIN, INPUT);
+  pinMode(FLAME_PIN, INPUT);
 }
 
-void loop()
-{
+void loop() {
   delay(2000);
 
-  // Reading temperature or humidity takes about 250 milliseconds!
-  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
   float h = dht.readHumidity();
-  // Read temperature as Celsius (the default)
   float t = dht.readTemperature();
-  // Read temperature as Fahrenheit (isFahrenheit = true)
-  float f = dht.readTemperature(true);
-
-  // add data to input array
-  X[0] = t;
-  X[1] = h;
-
-  // Check if any reads failed and exit early (to try again).
-  if (isnan(h) || isnan(t) || isnan(f))
-  {
-    Serial.println(F("Failed to read from DHT sensor!"));
-    return;
+
+  if (isnan(h) || isnan(t)) {
+    Serial.println(F("⚠️ Failed to read from DHT sensor, using previous values."));
+  } else {
+    X[0] = t;  
+    X[1] = h;  
   }
 
-  // TODO: Add code to standardize the inputs
+  int mq2_value = analogRead(MQ2_PIN);
+  int flame_value = digitalRead(FLAME_PIN);
+
+  X[2] = mq2_value;    
+  X[3] = flame_value * 500; 
+
 
-  // TODO: Add code to compute the output of wx + b
+  float prob = predict(X);
 
-  // TODO: Add code to apply the sigmoid function
+  bool alarm = false;
+  if (prob >= 0.6) {
+    if (mq2_value > 400 || flame_value == 1 || t > 45.0) {
+      alarm = true;
+    }
+  }
 
-  // TODO: Add code to print the result to the serial monitor
+  Serial.println("🌡️ Reading Sensors:");
+  Serial.print("Temperature: "); Serial.print(t); Serial.print(" °C | ");
+  Serial.print("Humidity: "); Serial.print(h); Serial.println(" %");
+  Serial.print("MQ2: "); Serial.print(mq2_value);
+  Serial.print(" | Flame: "); Serial.println(flame_value);
+  Serial.print("Predicted probability: "); Serial.println(prob, 6);
 
-  // Compute heat index in Fahrenheit (the default)
-  // float hif = dht.computeHeatIndex(f, h);
-  // Compute heat index in Celsius (isFahreheit = false)
-  // float hic = dht.computeHeatIndex(t, h, false);
+  if (alarm)
+    Serial.println("🔥 FIRE ALARM: ON");
+  else
+    Serial.println("✅ FIRE ALARM: OFF");
 
-  Serial.print("Humidity: ");
-  Serial.print(h);
-  Serial.print("%  Tempeature: ");
-  Serial.print(t);
-  Serial.print("°C ");
-  Serial.println(f);
-  // Serial.print(F("°F  Heat index: "));
-  // Serial.print(hic);
-  // Serial.print(F("°C "));
-  // Serial.print(hif);
-  // Serial.println(F("°F"));
-}
+  Serial.println("--------------------------------------------");
+}
diff --git a/TP3/wokwi.toml b/TP3/wokwi.toml
@@ -7,4 +7,4 @@ firmware = ".pio/build/uno/firmware.hex"
 [connections.phantomio]
 # Enable PhantomIO for serial and telemetry
 enabled = true
-port = "serial"
+port = "serial"