This Arduino project demonstrates creating sound using a buzzer connected to the Arduino board. The buzzer will produce sound with intervals of five seconds. Clone ...

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 ...

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.

The 16-channel 12-bit PWM/Servo Driver, PCA9685, is an ideal module for precise control of multiple PWM outputs that are commonly used to control servos, LEDs, and other devices in applications such ...