The KY-038 sound sensor pinout has 4 pins: VCC, GND, Digital Out, and Analog Out. We can either use the AO pin as an output for analog reading or the DO pin as an output for digital readout. The Sound ...

This Arduino project controls the brightness of an LED based on input from an ultrasonic distance sensor and a sound sensor. The LED's brightness is dynamically adjusted according to the distance ...

Simple Sound Processor presented here is an ultra-simple circuit module suitable for almost all basic electronics and microcontroller projects. For example, this module can be used as a front-end in ...

This project involves creating an Acoustic Sound Sensor system that detects sound levels in the environment and processes the data using Audacity software. The system uses a microphone to capture ...

1 School of Electrical and Information Engineering, The University of Sydney, Sydney, NSW, Australia 2 Department of Bioelectronics and Neuroscience, The University of Western Sydney, Penrith, NSW, ...

This smoke alarm built using a UM3562 sound generator can help maintain a smoke-free environment in apartments, offices, factories, restaurants, hospitals, etc. In this article, we’ll explore the ...