This Arduino project uses LEDs to show how loud a sound is. As the sound level increases, more and more LEDs light up, creating a visual representation of the audio. How it works? The MAX9814 ...

This project presents the design, implementation, and evaluation of an Arduino-based mini sound level meter. The device provides accurate dBA measurements reflecting the sensitivity of human hearing ...

Sound is pressure — the louder the sound, the greater the pressure. The greater the pressure, the more damage it can do to your ears. If you’re in a noisy environment, it’s important to know how ...