audio

Simple Audio Level Indicator Simple Audio Level Indicator using LM3915

LED VU meters are popular devices, especially for those people who love music. With this device, you can easily look at…

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 audio…

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 front…

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…

Arduino Based Digital Cracker Build Digital Cracker using Arduino and JQ6500 MP3 Module

As the winter season approaches, comes the festival of lights in INDIA. Yes, we are talking about Diwali, known for…

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 both a MIPI …

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…

Arduino Voice Recorder for Spy Bug Voice Recording Simple Arduino Voice Recorder for Spy Bug Voice Recording

Planning to buy a small voice recorder to record voices or sounds in an environment and store them in its memory? Think again!…

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…