Key benefits Precise, high-resolution audio output: 24-bit output with dynamic support up to 90 dB and an 85 dB ratio for clear, dependable sound. Flexible integration: supports two-core serial port control and AD control so you can connect with common microcontrollers and control systems. Simple user control and reliable status feedback: built-in support for previous/next, play, stop, and direct song selection, plus a dedicated Busy output indicator that tells other systems when the module is active. Saves development time: standard control interfaces and common playback commands reduce software complexity and speed up product rollout. What this product does Delivers high-quality digital audio output (24-bit) with strong dynamic range and signal ratio. Accepts control via two-core serial port or AD control for easy integration into embedded products. Provides common playback functions (previous song, next song, playback, stop, song selection) for straightforward user interaction. Offers a dedicated Busy output indicator to signal busy/ready status to external systems or controllers. Compatibility and performance highlights Function: Full playback command support (previous/next, play, stop, direct selection). Control interfaces: Two-core serial port control and AD control for broad compatibility with development platforms. Performance: 24-bit output; dynamic support 90 dB; ratio 85 dB. Indicator: Dedicated Busy output for reliable system-state signaling. Practical applications Interactive kiosks and information displays: Integrate for instant playback control and clear audio performance with simple serial or AD wiring. Embedded products and consumer electronics: Add predictable playback functions and a Busy output to toys, appliances, or smart devices without complex firmware changes. Public announcement and background-music modules: Use the high-resolution output and standard control interfaces to manage playlists and signal when the unit is active. Why choose this module Combines high-resolution audio with straightforward control options and a clear busy indicator, making it suitable for developers seeking predictable integration and reliable playback behavior.