PyPortal Winamp MP3 Player
https://www.electronics-lab.com/pyportal-winamp-mp3-player/
This project will turn your PyPortal into an MP3 player to play your favorite tunes with the familiar Winamp look. Create and manage multiple JSON playlists and rock out to whichever one fits the mood. Take it a step further by choosing a custom Winamp skin and converting it for use on your PyPortal. more […]
Dual 40W Audio Power Amplifier with Mute
https://www.electronics-lab.com/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 Self-Peak Instantaneous Temperature (°Ke) (Spike) Protection Circuitry, places it […]
SparkFun’s Qwiic Tsunami Super WAV Trigger
https://www.electronics-lab.com/sparkfuns-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 other embedded audio players. This implies it can simultaneously play multiple tracks. This is […]
PICO DSP is Compact Arduino-Compatible ESP32 Board for Digital Signal Processing Applications
https://www.electronics-lab.com/pico-dsp-is-compact-arduino-compatible-esp32-board-for-digital-signal-processing-applications/
Since the introduction of the ESP32, the ESP32 audio development boards have endeared to the hearts of both hobbyists and electronics design experts. Recently, Ohmic Electronics is crowdfunding a new Arduino-compatible ESP32-based development board. The PICO DSP is an open-source development board that provides a comprehensive set of audio-processing features in a compact, breadboard-friendly package. […]
Analog Style VU Meter on OLED Display – Arduino Compatible
https://www.electronics-lab.com/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 on OLED Display – Arduino Compatible – [Link]
Low Voltage Microphone Preamplifier with Variable Compression and Noise Canceling
https://www.electronics-lab.com/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 circuit operation for a variety of applications. This is a complete and flexible solution for conditioning condenser microphones for personal […]
5 W + 5 W Dual BTL Class-D Audio Amplifier
https://www.electronics-lab.com/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 differential audio signal inputs. Jumpers are provided to set the various […]
This RF Listener Lets You Hear The RF Sources!
https://www.electronics-lab.com/this-rf-listener-lets-you-hear-the-rf-sources/
Have you heard about RF listeners earlier? If not, Maker Wolf has designed an RF listener that lets you hear the RF sources. When we look at the RF receivers, it usually singles out a particular frequency and decodes it. But in this project, the handheld device takes a range of frequencies and plays it […]
Stereo Balanced to Unbalanced Audio Converter
https://www.electronics-lab.com/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 audio applications requiring a high level of noise immunity and […]
Meet the ALL NEW Tiny Acoustic Development Board for $99.00
https://www.electronics-lab.com/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 open-source sound recording device “μMoth” – designed to […]