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Front of TTL MP3 module with USB connector and screws, suitable for Arduino projects-DFRobot product sku:DFR0534 image.
Gravity: MP3 Player Module with 8MB Storage (UART, Mono)_1
Gravity: MP3 Player Module with 8MB Storage (UART, Mono)_2
Gravity: MP3 Player Module with 8MB Storage (UART, Mono)_3
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Gravity: MP3 Player Module with 8MB Storage (UART, Mono)_6
Gravity: MP3 Player Module with 8MB Storage (UART, Mono)_7
Gravity: MP3 Player Module with 8MB Storage (UART, Mono)_8

Gravity: MP3 Player Module with 8MB Storage (UART, Mono)

$6.90
SKU: DFR0534
The Gravity MP3 voice module stores 8MB of audio, supports MP3/WAV formats, and offers features like looping and volume adjustment for sound projects.
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    IntroductionSpecificationDocumentsShipping List Resource

    Introduction

    The Gravity MP3 Player Module has 8MB flash storage and supports MP3 and WAV formats, operating within a 3.3V to 5V range. It features a UART interface and supports sampling rates from 8kHz to 48kHz. The module can emulate SPIFLASH to a USB drive, allowing for easy audio updates via a USB flash drive, and offers 30 levels of volume adjustment. With compact dimensions of 22x30mm, it is compatible with Arduino. The Gravity interface makes wiring simpler for beginners. This module is perfect for adding sound effects or voice prompts to toys, as well as simple voice alerts in devices like medication reminders, timers, or alarms.

    Specification

  • Operating Voltage: 3.3V ~ 5V
  • Interface: UART
  • Support MP3 WAV Hardware Decoding
  • Support Sampling Rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/48
  • Support to imitate SPIFLASH to U disk, and audios in SPIFLASH can be updated by the way to operate USB flash drive
  • Support 30 levels of volume adjustment
  • Dimension: 22x30mm/0.87x1.18in

    • Documents

    Shipping List

  • Gravity: UART MP3 Voice Module x1
  • Gravity UART/I2C sensor cable x1

    • Resource

    AllProjectsBlogTutorialCourseMedia
    How to Choose the Best MP3 Player Module for Your Arduino / DIY Project (2025 Selection Guide)

    Blog How to Choose the Best MP3 Player Module for Your Arduino / DIY Project (2025 Selection Guide)

    DFRobot
    Sep 21, 2025
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    Gravity: MP3 Player Module with 8MB Storage (UART, Mono)
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