Usage Connect your Arduino board to your computer. Upload the code to your Arduino board. The buzzer connected to the built-in pin on the Arduino board will produce sound with intervals of five ...

The Arduino keeps on processing the data from the ultrasonic sensor, and it quickly triggers the Audio alert when it detects something nearby. Here, you’ll learn how to interface the ultrasonic sensor ...

The sound sensor module will capture the sound using the onboard microphone and will give an amplified signal at the output. The frequency of this signal will then be calculated using an Arduino ...

They’re using a cheap sound sensor module and an Arduino to catch instantaneous photographs, with students caught in the act of popping balloons.

Thanks to software frameworks and libraries that have become quite powerful over time, even with a compact and inexpensive system, it is possible to achieve complex functions. In this project, we use ...

Based on Arduino, a security system model is presented in this paper. Knock pattern is produced with the construction of piezo sensor and Arduino series board. The Knock detector is a distinctive way ...