Hardware projects tagged audio
Open hardware projects tagged audio on BoardRepo. View schematics and PCBs in the browser and download the sources.
Projects
Audio connector board to simplify DIY
Reproduce amplifier for reel to reel recorders: IEC EQ, 19 cm/s, TEAC/Soviet heads
Moving magnet phono preamp Maria
Archival hardware/firmware for the MM54104 Digitalker chip
PCB de un pedal Talkback con una entrada de audio y dos salidas.
Active audio signal splitter to drive multiple parallel stompboxes
A small breakout board for the serial-controlled MY1690X-16S MP3/WAV audio player module.
An Arduino R3 compatible shield for playing MP3s with a serial interface.
Design files for a simple 4-channel stereo audio mixer.
Dual SID for C128DCR
Eurorack Line-level mixer and Headphone Output module in 4HP
Generic 3PDT daughterboard.
Arduino-based JDM car melody box that plays a random WAV file on ignition startup
A SCART coupler that extracts the audio to a 3.5mm TRS jack
A fully balanced headphone amp from paralleling multiple opamps. With inspiration from the Schiit Magni Heresy
Quantizer, arpeggiator, and string synthesizer in a single module.
A second pcb for mechanical keyboard, all kind of usb connector.
Small HiFi audio system for good sound in small rooms
A HiFi audio mod for various Game Boy models
Chord-crafting quantizing wavetable oscillator.
Some power supply PCBs I developed.
Pedal Pi V2 by Thawney is an all new and regularly maintained Pedal-Pi by electrosmash; a lo-fi programmable guitar pedal that works with the Raspberry Pi ZERO Board. My repository contains all of the information needed to create your own board from scratch unlike Pedal Pi who only share effect code.
Saturating tape delay and feedback sculptor.
An open-source switcher for analogue RGBS video, so you don't have to.
Tiny analog monosynth with 2 SSI2130 VCOs and swappable filter
Audio development board based on ESP32-S3
Realtime digital guitar effects pedal designed for Raspberry PI, written in C++
The Q17 is an error correction HIFI amplifier based on the QUAD405 current dumping principle.
preamplifier & power distributor for instruments
A collection of cool projects to make!
Clone of the Farallon MacRecorder and Apple MIDI Interface.
A digital audio transmission specification for eurorack like modular synthesizers
3xOsc | 3 VCO Eurorack Module
This board is a Bluetooth to PC audio bridge! It lets you connect devices such as consoles or phones to it via Bluetooth to transmit audio, and then the board sends the audio through to your PC headphones with a wired connection!! TLDR: It lets you pass audio through to your PC from external devices :D
Microphone Pre-amplifier
Self-contained 5W Class-D amplifier inside a Speakon connector
Open Hardware DSP Platform ADAU145x DSP supporting ADAU1452, ADAU1451, and ADAU1450 devices
A fairly low-cost 4-layer AMD/Xilinx Artix-7 FPGA development board designed in KiCad, with bidirectional and unidirectional high-speed signals, SRAM, DAC and USB-C connection with built-in JTAG programmer.
ESP32 driven, WiFi-enabled dual-button doorbell with custom audio signals and real-time red/green indicators.
A spectrum analyzer display for HUB75 RGB LED panels and I2S microphones
Si5351 and Arduino based superheterodyne receiver
An digitally controlled hi fi preamplifier 🔈🎵
IQ Modulator for 2M and 70cm from I2C and ALSA PCM Audio on Orange PI Zero (Estimated TX Power 500mW)
A THT-only Raspberry Pi expansion board containing a MIDI interface, DAC, and OLED display
Hardware Design: Eurorack shield for teensy 4.1 with 14 in / 16 out analog channels
24-bit Stereo Audio DAC for Raspberry Pi
Open sourced hardware synthesizers (with eight knobs and MIDI support) based on Mozzi sound synthesis library
5.1 channel audio preamplifier
Digital video synthesizer for live music performance! powered by Raspberry pi + OpenGL
A free, DIY-friendly alternative 7-segment clock built around an STM32 microcontroller. Features BLE connectivity, audio output, a buzzer, humidity and temperature sensing, and micro USB power/charging.
Open hardware project for an integrated amateur radio interface device
A USB sound card based on Nuvoton M482ZGCAE MCU and NAU88L25 I2S audio codec
A 5.1-channel, analog audio processor based on PT2322 and Arduino Nano
Repositorio para el proyecto final del curso IE0308 sobre el diseño de una PCB de un amplificador para guitarra.
Raspberry Pi PCM1808 and 5102 audio hat for SDR tranceiver