Co-authored-by: clajimbus <clajimbus@users.noreply.github.com>

hardware/src/BMP280.cpp

@@ -0,0 +1,25 @@
+#include "BMP280.hpp"
+
+BMP280_DEV bme;
+
+void BMP280_Init()
+{
+    Wire.setPins(21, 22);
+    if (!bme.begin(NORMAL_MODE, I2C_BMP280_ADDRESS))
+    {
+        Serial.println("BMP280 no detectado o error en la inicialización");
+    }
+    else
+    {
+        Serial.println("BMP280 inicializado correctamente");
+    }
+    bme.setTimeStandby(TIME_STANDBY_2000MS);
+    bme.startNormalConversion();
+}
+
+bool BMP280_Read(float &temperature, float &pressure, float &altitude)
+{
+    bme.getCurrentMeasurements(temperature, pressure, altitude);
+    return (temperature != 0.0f && pressure != 0.0f);
+}
+

hardware/src/MQ7.cpp

@@ -0,0 +1,30 @@
+#include "MQ7.hpp"
+ 
+void MQ7_Init()
+{
+    pinMode(DIGITAL_MQ7, INPUT);
+    pinMode(ANALOG_MQ7, INPUT);
+}
+ 
+void MQ7_Read(float &sensorVolt, float &RSAir, float &R0, float &sensorValue)
+{
+    analogWrite(ANALOG_MQ7, 1023);
+    delay(60000);
+    analogWrite(ANALOG_MQ7, (1023/5)*1.4 );
+
+    for(int i = 0; i<100; i++)
+    { 
+        sensorValue = sensorValue + analogRead(ANALOG_MQ7);
+        delay(90000);
+    }
+
+    sensorValue = sensorValue/100.0;
+    sensorVolt = sensorValue/1024*5.0;
+    RSAir = (5.0-sensorVolt)/sensorVolt;
+    R0 = RSAir/(26+(1/3));
+
+    Serial.print("R0 = ");
+    Serial.println(R0);
+
+    delay(1000);
+}

hardware/src/main.cpp

@@ -4,30 +4,31 @@ const uint32_t deviceId = getChipID();
 
 // instances
 HTTPClient httpClient;
-BMP280_DEV bme;
 
 // HTTP Request
 String response;
 
 // MQ7
-float sensorVolt, sensorValue, RSAir, R0; 
+float sensorVolt, sensorValue, RSAir, R0;
 
 // BMP280
-float temperature, humidity, pressure, altitude;
+float temperature, pressure, altitude;
 
 uint32_t getChipID()
 {
     uint32_t chipId;
-    for (int i = 0; i < 17; i = i + 8) {
+    for (int i = 0; i < 17; i = i + 8)
+    {
         chipId |= ((ESP.getEfuseMac() >> (40 - i)) & 0xff) << i;
     }
     return chipId;
 }
 
-void setup() {
+void setup()
+{
     Serial.begin(9600);
 
-    // WiFi Connection
+    /*// WiFi Connection
     if(setupWifi() != 0)
     {
         Serial.print("Error connecting to WiFi");
@@ -35,9 +36,26 @@ void setup() {
 
     // test get
     getRequest(httpClient, "http://172.20.10.7:8082/api/v1/sensors/1/values", response);
-    deserializeSensorValue(httpClient, httpClient.GET());
+    deserializeSensorValue(httpClient, httpClient.GET()); */
+
+    BMP280_Init();
 }
- 
-void loop() {
-    
+
+void loop()
+{
+    if (BMP280_Read(temperature, pressure, altitude))
+    {
+        Serial.print("Temperature: ");
+        Serial.println(temperature);
+        Serial.print("Pressure: ");
+        Serial.println(pressure);
+        Serial.print("Altitude: ");
+        Serial.println(altitude);
+    }
+    else
+    {
+        Serial.println("❌ Lectura fallida del BMP280");
+    }
+
+    delay(2000);
 }