Serial MP3 Player

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DESCRIPTION The Serial MP3 Player is a compact audio playback module that plays MP3 and WAV files stored on a micro SD card, controlled via simple UART serial commands. Designed fo r integration with Arduino, Raspberry Pi, and other microcontrollers, it enables voice prompts, sound effects, and music playback in embedded projects with minimal wiring. Note that the module outputs a line-level audio signal — an external amplifier or amplified speaker is required for audible playback. With support for folder-based file organisation, adjustable volume control, and a built-in DAC, the module delivers clean audio output suitable for a wide range of maker and IoT applications. FEATURES Plays MP3 and WAV audio files from micro SD card UART serial control interface for easy microcontroller integration Supports folder-based file organisation for structured playlists Built-in DAC for clean line-level audio output Adjustable volume control via serial commands Compatible with Arduino, Raspberry Pi, and most microcontrollers 3.5mm audio output jack APPLICATIONS Voice prompts and announcements in IoT devices Sound effects for robotics and interactive maker projects Music playback in embedded audio systems Alarm and notification sounds in home automation Educational and STEM audio projects TECHNICAL DETAILS Operating Voltage: 3.3V – 5V Interface: UART Serial Supported Formats: MP3, WAV Audio Output: Line-level (requires external amplifier) Baud Rate: 9600 bps (default) SHIPPING LIST 1x Serial MP3 Player Show more