Description
This ESP32-based Bluetooth Music Decoder is a powerful audio module designed for wireless streaming with rich sound quality and real-time control. Featuring dedicated buttons for Volume Up, Volume Down, Play/Pause, Next, and Previous, it gives users complete command over their listening experience. The onboard OLED display shows track info, connection status, and playback feedback, making it perfect for custom speaker builds, retro audio upgrades, or smart DIY audio systems.
Specifications & Features
- Bluetooth Version: 4.2 A2DP (Stereo Audio Streaming)
- Microcontroller: ESP32 Dual-Core 240 MHz
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Audio Output:
- I²S Digital Output
- Optional External DAC (PCM5102A compatible)
- Display: 0.96" OLED (128×64) – shows track status, volume, and Bluetooth status
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Control Buttons:
- Play/Pause
- Next Track
- Previous Track
- Volume Up (+)
- Volume Down (−)
- Power Input: 5V (via USB-C or header)
- Firmware: Fast boot, low-latency playback, auto-reconnect
- Compatibility: Android, iOS, Windows, Linux (Bluetooth A2DP devices)
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Use Cases:
- DIY Bluetooth speaker projects
- Home or car stereo retrofitting
- High-fidelity audio systems
- ESP32 development with audio focus