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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2.318
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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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IR Remote Controlled Motorized Potentiometer – Arduino Compatible
AudioMotorTop Stories

IR Remote Controlled Motorized Potentiometer – Arduino Compatible

This is an Infrared Remote controlled motorized potentiometer controller. It’s an open-source project built on the Arduino platform and compatible with Arduino IDE for custom programming. The project consists ATMEGA328 microcontroller, IR sensor, L293D motor driver, ALPS Motorized...

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5 W + 5 W Dual BTL Class-D Audio Amplifier
AudioTop Stories

5 W + 5 W Dual BTL Class-D Audio Amplifier

The project described here is a high-efficiency dual BTL class-D audio amplifier with single supply operations. The project was built using TDA7491LP13TR from ST. The low profile PCB design can fit in a small area, operating power supply 9-12V DC, Project supports single-ended or...

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Microphone Preamplifier – Sound Sensor
AudioTop Stories

Microphone Preamplifier – Sound Sensor

This is an easy to construct dual-stage microphone pre-amplifier. The project can be used as a sound sensor or microphone pre-amplifier. The 1st op-amp pre-amplify the very low-level signal coming from the condenser microphone and 2nd op-amp provides more boost to the audio signal. The...

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Stereo Balanced to Unbalanced Audio Converter
Audio

Stereo Balanced to Unbalanced Audio Converter

The primary role of this project is to convert a differential input audio signal into a single-ended output signal while rejecting noise that is common to both inputs (common-mode noise). The circuit presented here is a differential amplifier intended to receive balanced line inputs in...

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Meet the ALL NEW Tiny Acoustic Development Board for $99.00
AudioMcu

Meet the ALL NEW Tiny Acoustic Development Board for $99.00

When it comes to recording audio in wildlife or nature, you require something with a small form factor that does not harm the environment. There are several wildlife species that produce noise in ultrasonic frequencies like bats, moths, etc. Here comes the name for the credit card-sized...

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