max98357

ESP32-based voice device for chatting with multiple custom AI bots. Open AI Realtime chat via voice-to-voice Audio websocket streaming or sending pre-recorded Audio to ElevenLabs STT, LLM Groq, TTS Open AI. Calling 'friends' (bots) by name, local keyword actions, web-search embedded.

Loud ESP is an ESP32-powered, rich-audio development board. Available with or without a color touchscreen, Loud ESP has a wealth of peripherals to support a wide range of user interaction. It is compact, portable, battery-powered, and uses a dual MAX98357 Hi-Fi DAC that will output 3W per speaker.

Internet Radio based on ESP32-S3 with WiFi streaming, touchscreen control, web-based station management and I2S audio. Also available in an ESP32-P4 version that supports MP3, AAC, FLAC and Vorbis.

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.

CYD Internet Radio with touch control

CYD Internet Radio with ESP32-8048S043C

星火大模型 音乐服务器 esp32 based device, mainly used for voice chat with large language models

ESPHome configuration for the 303ESP32S3-AI v2.3 (Xiaozhi AI bread-compact-wifi) voice assistant board — reverse engineered from factory firmware with confirmed GPIO pinout for INMP441 mic, MAX98357A amp, and onboard buttons. Home Assistant voice satellite ready.

In diesem Tutorial beschreibe ich, den Bau eines Bluetooth-Lautsprechers mit einem ESP32 Mikrocontroller, einem MAX98357 I2S Digital-Analog-Wandler und einem 4 Ohm Lautsprecher.

This is a small project using 2 sensors BH1750 and VL53L0X to adjust sitting posture and light intensity of the working area. If there is an error in sitting posture or light, a reminder sound will be emitted and a message will be sent via WhatsApp.

Audio output module for the Deki Engine (MAX98357A I2S amplifier)

I2S WAV playback Arduino library for HUB8735 Ultra (RTL8735B) + MAX98357 amplifier

ESP32 Internet Radio with web interface