RFID-controlled musicplayer powered by ESP32

Sound Level Meter with ESP32 and I2S MEMS microphone

ESP32 Sound recorder with simple code in arduino-esp32. (I2S interface)

An Arduino audio DSP library for the Espressif ESP32 and probably other 32 bit machines

ESP32 Music Player with simple code in arduino-esp32 (I2S interface)

An Internet web radio based to ESP32

ESP32 application to change a voice to be eg stormtrooper or dalek sounding, either in real time for cosplay or as a recording. Recordings can be downloaded to the browser as a WAV file for playback on a media player

A simple MEMS I2S microphone and audio processing library for ESP32.

Basic DX9-inspired FM synth for Raspberry Pico.

Audio visualization based on an M5StickC (ESP32), i2s microphone, FFT and RGB LED strip.

Speak to your ESP32 and it speaks back! Your new personal assistance is tiny, highly intelligent, and ready to be built from your home.

Heavy compiler (hvcc) sources running on ESP32-DevKitC powered eurorack module

ESP32 sound meter with multiple INMP441 MEMS microphones

Code snippets showing how to record I2S audio and store as .wav file on ESP32 with SD card, how to transcribe pre-recorded audio via Deepgram SpeechToText API, how to generate audio from text via TextToSpeech API from OpenAI a/o Google TTS. Triggering ESP32 actions via Voice.

Stereo digital 2-way crossover filters processing I2S audio (16bit or 24bit) streams

A spectrum analyzer display for HUB75 RGB LED panels and I2S microphones

Audio I2S player for ESP32

sample drum machine on the ESP8266

Bluetooth for Saab OG9-5 and OG9-3

EMU2413 for Raspberry Pico