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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.

The schematic for the Dog Barking Alarm using Arduino is given below. The Amplifier IC is used to amplify the Output from Dog Barking Sound Module. The Alarm circuit consists of an Arduino Nano, PIR ...

We need to operate the buzzer, even if there is a considerable change in the output voltage in the rain board module. Due to these reasons, the A0 pin is connected to the analog pin of Arduino, which ...

The world of littleBits (the “not-a-toy” toy that I reaaaally wish existed when I was younger) just got a little bit bigger: it can now play friendly with Arduino. If you’re not familiar ...