ESP Audio Boards v2 and Louder ESP32 on Hackaday

Hackaday.io project page for the second generation of Sonocotta's ESP32 Audio Board family, including the Louder ESP32 and its variants.

What It Covers

Maintained by andriy.malyshenko (Sonocotta founder), this Hackaday project documents the hardware design evolution, firmware integration guides, and community feedback for the ESP32 audio board lineup.

Board Family

The project covers all v2 boards:

• Louder ESP32 / Louder ESP32-Plus — TAS5805M/TAS5825M DAC, 25W/ch
• HiFi ESP32 / HiFi ESP32-Plus — PCM5100/PCM5122 DAC for line-out
• Amped ESP32 / Amped ESP32-Plus — TPA3128 amplifier, 30W/ch
• Both ESP32-WROVER and ESP32-S3 variants

Key Hardware Features

• WROVER modules with 16MB Flash and 8MB PSRAM
• Built-in or external WiFi antenna options
• Optional W5500 Ethernet connectivity
• Compatible with standard Raspberry Pi 4 enclosures
• OLED screen support via solder-less connectors

Firmware Options Documented

• Squeezelite-ESP32 for LMS and Spotify Connect
• Snapcast client for synchronized multi-room audio
• ESPHome configs for Home Assistant integration
• Tasmota with I2S audio support
• Arduino-based custom implementations

Community

The Hackaday project logs provide detailed design decisions, PCB revisions, and assembly notes, making it a valuable resource for anyone modifying or building upon the Louder ESP32 platform.