audio

Arduino Audio Spy Bug using nRF24L01 Arduino based Audio Spy Bug using NRF24L01

In this project, we are going to build an audio bug using Arduino and NRF24L01. This…

DIY FM Receiver Circuit Simple DIY FM Receiver Circuits on the Internet - Do they Really Work?

Recently we thought of building a simple FM receiver circuit, so like always we started googling for possible circuits…

ESP32 Retro Game Console DIY Handheld Retro Gaming Console using ESP32

Do you remember the old classic 8bit games? Perhaps you enjoyed your leisure time in…

Interface KY-038 Sound Sensor with ESP32 How a KY-038 Sound Sensor works and how to Interface it with ESP32?

Want to give your project the sense of sound! Then follow along because in this project we are interfacing a sound…

SAMA7G54 Arm Cortex A7-Based MPU Ultra-Low Power, Single-Core MPU with Advanced Audio Features and Dual Ethernet

Microchip Technology Inc. has introduced the new SAMA7G54 Arm Cortex A7-based MPU that includes…

Class-D Audio Amplifier with MOSFET How to Build a High Efficiency Class-D Audio Amplifier using MOSFETs

Audio content has come a long way over the past decades, from a classic tube amp to modern-day media players, technological…

TDA2822 Stereo Audio Amplifier Build a Simple Stereo Audio Amplifier Board using TDA2822

An audio amplifier is an Electronic circuit that amplifies low-power audio signals to a level suitable for driving Loudspeaker…

TDA7294 Based 170W High Power Audio Amplifier Design a TDA7294 IC Based 170W High Power Audio Amplifier

The TDA7294 IC is a popular sound amplifier IC with low cost that has a ton of power handling capacity,…

DIY Music Visualizer using Arduino and 32x8 Dot Matrix Display DIY Music/Audio Visualizer using 32x8 Dot Matrix Display and Arduino

Most musical concerts nowadays are accompanied by some fancy light shows. Almost all concerts, festivals, and nightclubs …

MAX98396 Class D/G Amplifier from Maxim Integrated Low-Noise, Class D/G Amplifier from Maxim Integrated Consumes 1/5 the Quiescent Power for Industry-Compliant, Always-On Speakers

Maxim Integrated unveiled the MAX98396 Class D/G speaker amplifier with the industry’s lowest noise and lowest quiescent power…