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 theyβre 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.
Can an AI coding agent build software that has to work in the physical world?
Walk through a recorder export with a local Python inventory and a reproducible byte-layout example.
MicroPython music player on W55MH32: SD-card WAV songs, matching album art on SPI monitor, progress bar, next/pause buttons, I2S audio.
A stereo VU meter built with an Arduino Nano and two NeoPixel LED rings.
Explore voltage-controlled analog audio with the Analog Devices SSM2018S VCA and an Arduino-compatible controller.
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
Open-source DAB+/FM receiver with a SigmaDSP and aptX Adaptive Bluetooth output. ESP32-S3, Si4684, ADAU1701, 6-layer PCB.
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!
Explore Samsung TV audio amplifier built around TAS5749M by tracing its circuitry and turning a discarded board into reusable audio platform
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.
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.
This experiment clearly shows how much the enclosure can influence the sound of even a tiny and inexpensive full-range driver.
Use the ESP32 and the Adafruit Electret Microphone Amplifier Board to stream your voice over WiFi to your Raspberry Pi.
