Build your own Fire & Smoke Alarm using Arduino! br Get instant SMS alerts when danger strikes. Stay safe with this DIY project from Circuit Digest. br . . . br Full tutorial here : br . . .br Learn how to build a fire and smoke alarm system using Arduino and MQ2 gas sensor with real-time SMS alerts via GSM module. br br This project helps detect smoke or gas leaks and instantly notifies users through text messages, making it ideal for homes and offices. br . . .br Includes circuit diagram, code, and step-by-step explanation for easy setup.br . . .