An mp3 player in the form of a cassette that works in a cassette player or as a portable player with the addition of headphones.
iPods are making a comeback, but they’re getting harder to find, so I decided to build my own.
Portable system for monitoring emotional state and concentration in interviews based on multi-modal fusion of visual and audio data
With a low-cost ESP32 and WM8960, we built a complete real-time stereo parametric EQ with professional-style controls and presets.
Play a song on your Mac and the NU40 DK's OLED shows the current lyric line and bouncing music bars, or a figure copying your dance.
An 8-song music player built on RT-Spark with FreeRTOS, LCD song display, physical controls, RGB LEDs, and adjustable volume.
A Pi 4 and a cheap USB mic tell dialogue from explosions with an on-device voice model, then click your TV's volume over Wi-Fi or IR.
Open-source DAB+/FM receiver with a SigmaDSP and aptX Adaptive Bluetooth output. ESP32-S3, Si4684, ADAU1701, 6-layer PCB.
Walk through a recorder export with a local Python inventory and a reproducible byte-layout example.
Can an AI coding agent build software that has to work in the physical world?
A stereo VU meter built with an Arduino Nano and two NeoPixel LED rings.
MicroPython music player on W55MH32: SD-card WAV songs, matching album art on SPI monitor, progress bar, next/pause buttons, I2S audio.
This project is for making a 32-band audio (music) frequency spectrum analyzer / visualizer using Arduino.
Experience the tactile nature of a vinyl music collection (but without actually owning any vinyl) through Sonos, Spotify and NFC tags
Explore voltage-controlled analog audio with the Analog Devices SSM2018S VCA and an Arduino-compatible controller.
An electronic keyboard with 7 piano keys, programmed to Middle B/A/G/F/E/D/C, and an 8th button used to access a menu of preset songs.
Use C.H.I.P. to make any old speakers AirPlay speakers. Use several C.H.I.P.s to make a network for a multiroom audio experience!
Broadcast audio, record voice commands, build internet walkie-talkies with this simple tutorial!
The device that creates beautiful arpeggiated sequences according to the musical theory.
A complete AM / SW / SSB / FM RDS Radio Receiver, with Si4735, Arduino NANO and 1.8in TFT Display.
Use the ESP32 and the Adafruit Electret Microphone Amplifier Board to stream your voice over WiFi to your Raspberry Pi.
A Mac script splits any song into 4 frequency bands so the NU40 DK's 4 onboard LEDs flash to the beat. No extra parts needed.
Explore Samsung TV audio amplifier built around TAS5749M by tracing its circuitry and turning a discarded board into reusable audio platform
It detects a beat in a line level audio signal.
