Open Source Hardware OSHW ESP32 development board designed with KiCAD to be pin to pin compatible with Espressif ESP32-DevKitC, but with additional LiPo charger and battery

🎹🎶 A baremetal kernel that turns your Raspberry Pi 3 or later into a Roland MT-32 emulator and SoundFont synthesizer based on Circle, Munt, and FluidSynth.

Minimal piano sound module with dynamics based on Arduino and WAV Trigger

Lopaka - Stunning graphics for embedded systems displays

API to operate cosine waveform generator inside ESP32

MicroZig is a toolbox for building embedded applications in Zig.

General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.

Espressif Advanced Development Framework for Multimedia Applications

bell sip call per ESP32

Voip for Micropython ESP32 with Interactive Voice Response

Scripts for building pjsip environment for host machine

ESP32 simple VoIP phone based on SPH0645 mic and UDA1334A decoder

A free/libre/open-source firmware library for STM32 microcontrollers.

SIP client for ESP32 to initiate a phone call from a door bell

A fully featured browser based WebRTC SIP phone for Asterisk

ESP32-IDF component for PJLIB

https://han-ya.blogspot.com/2021/09/esp32-audio-voip.html

Voice streaming over IP using ESP32 and SDK-IDF

Voice streaming over IP using ESP32 and SDK-IDF

VOIP doorphone / doorbell realized with ESP32, i2s MEMS (INMP441) and a i2s amplifier (MAX98357)

Use live reloading over WiFI to turbo-charge developing for your ESP32.

ESP32 SD Card Thorough Benchmarks