#define MQ9pin A7 // MQ-9 gas sensor connected to A7 Adafruit_BMP085 bmp; // Create BMP180 sensor object SoftwareSerial BTSerial(10, 11); // Define Bluetooth communication pins (RX = 10, TX = 11) int ...

const char* serverUrl = "http://192.168.1.100:3000/api/sensor-data"; // Change IP to your server // Sensor pins #define PULSE_SENSOR_PIN 34 // Analog pin for pulse ...

Recent Arduino projects are blending AI-assisted coding, advanced thermal and environmental sensors, and cloud connectivity. Tutorials now show how to build systems with MLX90640 infrared cameras, ...

Have you ever noticed how shopping malls, parking lots, or event venues seem to track the number of people or cars present inside? You might think they use an AI camera to count them, but in reality, ...

In today's lecture, we will design a project in Proteus, where we will Interface Gas Sensor with Arduino. I will provide the complete code and simulation. Gas sensors are widely used in fire alarms, ...

Arduino sensor projects blend coding with tangible results, making learning interactive, practical, and fun. From simple LED triggers to multi-sensor systems, these builds teach real-world electronics ...

Effective water management involves supplying water according to the real requirement, and thus measuring water is very essential step in water management systems. There are many water flow ...

This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level. It uses Arduino Duemilanove microcontroller board. Two wires placed in the soil pot ...