Software for Your Open Hardware

An Arduino demo combining the LILYGO T5s 2.7-inch e-paper display with onboard I2S MAX98357A audio playback and ICS43434 MEMS microphone using the official TTGO-T5S-Epaper examples.

A complete LVGL-based smart camera platform for the LILYGO T-Camera Plus S3 with live camera preview on the 240×240 display, file management, audio recording/playback, and face detection via the OV2640 sensor.

An FM radio receiver for the LILYGO T-Embed using an RDA5807 module, controlled via the rotary encoder and displayed on the 1.9-inch TFT — leveraging the board's built-in speaker and amplifier for audio output.

Run the viral XiaoZhi AI voice chatbot on the LILYGO T-Circle S3's tiny 0.75" round display — featuring offline wake-word detection, streaming voice interaction with Qwen/DeepSeek LLMs, and MCP protocol for smart home control.

Community firmware for the LILYGO T-Embed SI4732 transforming it into a capable AM/FM/SW/SSB receiver with spectrum waterfall display, band scanning, memory presets, and modern touchscreen UI.

A Swiss-army-knife LoRa firmware combining KISS Bluetooth modem, APRS iGate, digipeater, and Codec2 digital voice transceiver — maximum amateur radio versatility in a single device.

Open-source firmware replacing the proprietary SA868 radio module code on the T-TWR, enabling the M17 digital voice protocol — a modern, royalty-free digital voice standard for amateur radio.

Custom ESPHome component and configuration for the Louder ESP32 Rev-E board, enabling TAS5805M Class-D amplifier control as a Home Assistant media player with I2S audio output.

Build guide for converting a passive Tozzi One speaker kit into a WiFi-enabled active speaker using the Louder ESP32 and Squeezelite firmware for Home Assistant whole-home audio.

AirPlay 2 audio receiver firmware for the Louder ESP32-S3, enabling wireless streaming from Apple devices with full TAS5805M amplifier control and hardware volume.

Full-featured audio streaming firmware for ESP32 boards supporting Spotify Connect, AirPlay, Bluetooth, and Logitech Media Server with synchronized multi-room playback.

Snapcast client firmware for ESP32 audio boards enabling perfectly synchronized multi-room audio playback with automatic server discovery and browser-based flashing.

Tasmota firmware configuration for the Louder ESP32 with I2S audio support, enabling MQTT-controlled audio playback for Domoticz, OpenHAB, and other MQTT-based home automation systems.

Hackaday.io project documenting the Louder ESP32 and ESP32 Audio Boards v2 series by Sonocotta, with hardware design logs, firmware guides, and community discussion.

Custom ESPHome external component for measuring environmental noise levels (Leq, Lmin, Lmax, Lpeak) with A/C/Z frequency weightings using I2S microphones. Used by the Airlytix ES1 for sound monitoring.