This project demonstrates how to use a buzzer module with an Arduino Nano to produce sound or generate alerts. Buzzer modules can be either active or passive, each requiring different driving methods.

GSM module sends an SMS alert to emergency contacts. System resets when no fire/smoke is detected. Code File 📂 Filename: fire_alarm_system.ino 📌 Language: Arduino C++. Installation & Setup Connect ...

The new Arduino project is powered by an Arduino Mega, that has been compounded with a RTC module and 3.2 inch touchscreen, which is used to display the time and current song as well as provide a ...