Gravity: Arduino MP3 Player Module – WAV & USB Support – DFRobot

The Gravity: MP3 Player Module by DFRobot offers a compact and efficient solution for adding audio playback to your Arduino projects. Equipped with 8MB onboard SPI flash memory, this MP3 player module supports high-quality MP3 and WAV formats and communicates seamlessly via UART interface. With 30 levels of volume adjustment, this audio module allows for precise sound control in a wide range of embedded applications.

Thanks to the built-in SPI FLASH-to-USB emulation, you can easily update audio files by connecting the MP3 player module to a PC as a USB flash driveno SD card needed. This plug-and-play feature makes it the perfect UART voice module for adding sound effects, prompts, or voice notifications in projects such as toys, alarms, timers, or Arduino-based systems. Whether you need a WAV player or a simple MP3 module, this Gravity series component ensures reliable performance.

Key Features

• 8MB onboard storage: Integrated flash storage means no SD card required for your MP3 player module
• Supports MP3/WAV decoding: Versatile audio format support for clear sound output
• UART communication: Simple serial commands for easy Arduino integration
• Simulates USB flash drive: Hassle-free file management via USB input
• 30-step digital volume control: Fine-tune the audio levels of your voice module
• Compact design: Only 22 30 mm, ideal for small-scale Arduino MP3 projects
• Ideal for voice alerts, system prompts, educational devices, and UART-enabled audio projects

Technical Specifications

Comparison Table: MP3 Module Selection Guide

Applications of the UART MP3 Module

• Audio prompts in embedded systems and industrial Arduino setups
• Talking toys, interactive gadgets, and educational robots
• Voice alarms, security notification systems, and smart timers
• Custom sound effects for interactive installations using UART control
• Voice-enabled Arduino projects requiring 8MB storage and USB updates

Shipping List

• 1 Gravity: UART MP3 Player Module (Voice Module)
• 1 Gravity UART/I2C Sensor Cable (Compatible with Arduino)

Reference

Gravity MP3 Player Module Wiki