The CH34X family comprises widely used USB‑to‑serial chips manufactured by WCH (WinChipHead), commonly integrated into generic UNO R3, ESP8266, and ESP32 development boards.

Introducing the "Lonely Binary Mini MP3 Module" – your compact solution for delivering exceptional audio performance anywhere, anytime.
Despite its small size, this module packs a powerful punch, delivering high-quality sound directly to your speaker with a simplified output. With its plug-and-play design, you can enjoy a personal concert experience without the hassle of complex setups or intricate wiring.
The module can operate independently; just add a couple of buttons to control the volume or switch tracks. Ensure your MP3 files are named in the format 0001.mp3, 0002.mp3, etc., and placed in the root folder for seamless playback.
For more advanced projects, connect the module to any microcontroller, such as Arduino, ESP8266, or ESP32, using the RX/TX ports.
This versatile device supports popular audio formats, including MP3, WAV, and WMA, ensuring your music is played back with clarity and precision. Additionally, it accommodates TF cards formatted... Read More...
Schematics
Resources
What’s in the Box
There are 3 pieces in the retail box.
The listing price is for
- 1 x Mini MP3 Module
