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.

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.

AI-powered voice agent that joins meetings, transcribes speech in real-time using Deepgram STT, and responds intelligently.

Generate YouTube Shorts Video From an Article Link using Pydantic AI

A real-time, AI-powered interview assistant that connects with platforms like Google Meet and Zoom to transcribe live interviews using Deepgram’s SST API (~100ms latency). It extracts questions, retrieves context from user-uploaded resumes or documents (via Gemini + Pinecone), and generates accurate responses using Claude.

An audio transcription application which converts the speech to text and stores the previous audio transcriptions.