RFID-controlled musicplayer powered by ESP32
Sound Level Meter with ESP32 and I2S MEMS microphone
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.
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 (STT) API, how to generate audio from text via TextToSpeech (TTS) API from OpenAI a/o SpeechGen a/o Google TTS. Triggering ESP32 actions via Voice.
Speak to your ESP32 and it speaks back! Your new personal assistance is tiny, highly intelligent, and ready to be built from your home.
Basic DX9-inspired FM synth Arduino Library for Raspberry Pico RP2040 and RP2350.
ESP32 sound meter with multiple INMP441 MEMS microphones
Audio visualization based on an M5StickC (ESP32), i2s microphone, FFT and RGB LED strip.
ESP32-based voice device for chatting with multiple custom AI bots. Recording questions with I2S microphone, transcribing via ElevenLabs or Deepgram STT, creating response with Groq or Open AI LLM. TTS audio output with custom AI voices via I2S & speaker. Supporting ongoing dialogues, calling bots ‘by name’, real-time web search via keyword.
An example of recording audio onto a MicroSD card, using an INMP441 microphone and a XIAO ESP32-C3
library for transmitting data over audio waves using the ESP32 microcontroller
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