We built a Smoke Detector Circuit using Arduino and MQ2 gas sensor, which not only sense the smoke in the air but also reads and displays the level of Smoke in the Air in PPM and start the buzzer if ...

You can assemble the circuit on breadboard and use jumper wires for connection. Connect the Red and Green LED to digital pins 5 and 6 respectively via 330-ohm resistor. Similarly connect a 5V Buzzer ...

After few seconds this should be displayed Found Address 0x3F Note down the address for future reference Step 2- Connecting MQ2 Gas Sensor 1. To connect the MQ2 gas sensor with arduino follow the ...

MQ-2 Combustible Gas Sensor with Arduino UNO – Connection Diagram Now that we have complete understanding of how the MQ-2 gas sensor works we can connect all the required wires to Arduino uno. This ...

This smoke alarm built using a UM3562 sound generator can help maintain a smoke-free environment in apartments, offices, factories, restaurants, hospitals, etc. In this article, we’ll explore the ...

We designed the Automatic LPG Gas Leakage Detection System using Arduino. This system helps in detecting lpg gas leakage and alert.

PighiXXX is known for their very useful and pretty pinout diagrams, but they’ve now created a book called “ABC: Basic Connections” comprised of a collection of easy to read circuit diagrams that shows ...

The purpose of this project is to present an alternative for the Arduino boards programming through a ladder diagram development environment. Similarly, it seeks to provide a new option for both ...