Overview: The Fire Alarm System is a project developed using Arduino microcontroller along with a GSM module, buzzer, and flame sensor. It is designed to detect the presence of fire and send an alert ...

Taking up a very interesting and new course at Uni, Applied Informatics, I managed to delve deeper into the inner workings of a lot of devices that make up the modern world. I got a surface ...

A buzzer has two pins, namely positive and negative. The positive terminal is represented by the ‘+’ symbol and negative terminal is represented by the ‘-’ symbol just like an led and a capacitor.

When you think of Arduino projects, your mind likely goes straight to RFID door locks, weather sensors, or automated plant watering systems. While these are undeniably pretty cool projects, you might ...