2 layers232 × 134 mm
I2S
18 boardsKiCad boards from 14 GitHub repositories tagged “i2s”, the most starred first; open any of them in PCBKit.
- 2 layers152.4 × 68.6 mm
Pico test synth2
todbot/pico_test_synth
Simple board to help make synths with Raspberry Pi Pico/Pico2 and PCM5102 I2S DAC
55 parts57MIT - 2 layers150.5 × 127 mm
Eurorack engine
sinneb/esp32-hvcc
Heavy compiler (hvcc) sources running on ESP32-DevKitC powered eurorack module
81 parts29 - 2 layers63.5 × 82.6 mm
Matrix
HorstBaerbel/HubAlyzer
A spectrum analyzer display for HUB75 RGB LED panels and I2S microphones
12 parts17MIT - 4 layers14 × 32.7 mm
- 2 layers290 × 210 mm
T8-Sequencer
lluisestape-upc/T8-Sequencer
16-step ESP32 groovebox: two-layer 290x210 mm KiCad board, DRC-clean and fabrication-ready, with the Python scripts that generated and repaired it
104 parts2MIT - 2 layers40.6 × 25.5 mm
PCM510xA I2S DAC
CedarGroveStudios/PCB_PCM510xA_I2S_DAC
An I2S stereo audio DAC with an internal master clock PLL and a charge pump for direct-coupled ground-centered audio output.
34 parts1 - 2 layers89.9 × 70.4 mm
IRadio
JakobThiessen/iRadio
ESP32-S3 Internetradio mit I²S-Verstärker, RGB-OLED-Display, WS2812-LED und modernem Web-Interface. Konfiguration per AccessPoint, Senderverwaltung via LittleFS, OTA-Updates und WebSocket-Echtzeit-UI.
69 parts1MIT - 2 layers52 × 42 mm
- 2 layers60 × 64 mm
Blueaudio puck
Zektopic/esp32-blue-audio-puck
Turn wired headphones wireless: an ESP32 Bluetooth audio receiver (A2DP sink) with I2S DAC output, parametric EQ, AVRCP remote control and battery-aware power management. Built on ESP-IDF v5.5.
50 parts1MIT - 4 layers128 × 51.4 mm
Quack face
HeyPCB/quack-face
Face board for the Open Duck Mini's head: eye LEDs, projector driver, I2S amp and mic, antenna servos, shaped to the head. 4-layer KiCad 10 board plus printed standoffs, fit-checked in the head CAD.
55 partsCERN-OHL-S-2.0 - 2 layers40.1 × 30 mm
BLE02
mlab-modules/BLE02
Bluetooth 4.1 controller for UART HCI-based BLE and BR/EDR communication with external host MCU.
41 partsGPL-3.0 - 2 layers70 × 50 mm
RPI4B Dual SPH0645 RevA
notgate/sph0645f_asr
Dual-SPH0645 Raspberry Pi prototype with audio capture, FFT signal processing, PCB design, and offline LLM inference.
20 parts - 4 layers94.5 × 39.7 mm
STM32L4Q5CGT AudioSpectrumAnalyzer
OscarBazylewich/STM32_Audio_Spectrum_Analyzer_CustomPCB
This repository contains a 4-layer KiCad board for the STM32 Audio Spectrum Analyzer. The board has an STM32L4Q5CGT6 MCU and an I2S MEMS microphone (ICS-43434).
39 partsGPL-3.0 - 4 layers14 × 32.7 mm
- 4 layers30.2 × 32.7 mm
- 2 layers165 × 25 mm
IRadio button board
JakobThiessen/iRadio
ESP32-S3 Internetradio mit I²S-Verstärker, RGB-OLED-Display, WS2812-LED und modernem Web-Interface. Konfiguration per AccessPoint, Senderverwaltung via LittleFS, OTA-Updates und WebSocket-Echtzeit-UI.
27 parts1MIT - 2 layers25.3 × 6.1 mm
