Dual 40W Audio Power Amplifier with Mute
Audio

Dual 40W Audio Power Amplifier with Mute

The stereo audio amplifier project shown here is capable of delivering typically 40W per channel continuous average output power into an 8Ω load with less than 0.1% (THD+N). The project is built using an LM4766 chip from Texas Instruments, The performance of the LM4766, utilizing its...

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Pre-Amplifier for MEMS Microphone
Audio

Pre-Amplifier for MEMS Microphone

This is a low-cost, small-size audio pre-amplifier for MEMS microphone, OPAMP-based circuit amplifies the low-level analog signal coming from MEMS microphone to the desired level required for the next stage which is an audio amplifier, basically microphone level to line level. Resistor...

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10W Class-D Stereo Audio Amplifier with Mute, Shutdown and Four Gain Settings
Audio

10W Class-D Stereo Audio Amplifier with Mute, Shutdown and Four Gain Settings

This is a Class-D Stereo audio amplifier project that provides 10W stereo output. The amplifier includes Gain control using 2 x Jumpers, Mute function, and shutdown function. RCA female connectors are provided for the audio source input, screw terminals are provided for an easy...

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MEMS Microphone Pre-Amplifier with Compression and Noise Gating – Studio Quality Microphone Pre-Amplifier
Audio

MEMS Microphone Pre-Amplifier with Compression and Noise Gating – Studio Quality Microphone Pre-Amplifier

MEMS Microphones is setting a new performance benchmark across a growing number of industries. These innovative silicon microphones were designed to extend the benefits of the lowest possible self-noise (high SNR) and lowest distortion to an ever-expanding number of applications. The...

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MEET WAVE III – A PORTABLE 2-CHANNEL STEREO AUDIO PLAYER MODULE
Audio

MEET WAVE III – A PORTABLE 2-CHANNEL STEREO AUDIO PLAYER MODULE

Stereo finds widespread applications in audio media production owing to the growing demand for portable consumer electronics and listening systems like PA systems and sound boxes supporting impression and sonics of natural hearing. Form factor requirement of the new maker and DIY boards...

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SparkFun’s Qwiic Tsunami Super WAV Trigger
ArduinoAudio

SparkFun’s Qwiic Tsunami Super WAV Trigger

Qwiic Tsunami Super WAV Trigger is a powerful polyphonic embedded audio player designed by SparkFun in collaboration with James Robertson's robertsonics. The super powerful audio board is capable of producing high-quality audio. The audio board is "polyphonic," in contrast to most...

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Analog Style VU Meter on OLED Display – Arduino Compatible
ArduinoAudioTop Stories

Analog Style VU Meter on OLED Display – Arduino Compatible

This is an analog-style VU meter on a 0.96″ OLED Display. The project has a 0.96″ OLED display, Atmega328 Microcontroller, 3.5 mm audio EP socket for audio signal input. This Arduino compatible hardware can be program using Arduino IDE. Operating Supply 5V DC. Analog Style VU Meter...

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Low Voltage Microphone Preamplifier with Variable Compression and Noise Canceling
Audio

Low Voltage Microphone Preamplifier with Variable Compression and Noise Canceling

This is a complete microphone signal conditioning project. Designed primarily for voice-band applications, this project provides amplification, limiting, variable compression, and noise gate. User-adjustable compression ratio, noise gate threshold, and two different fixed gains optimize...

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