> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# Gravity: UART MP3 Voice Module

**Type:** Product page · **SKU:** DFR0534 · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/gravity-uart-mp3-voice-module.html ([markdown](https://core-electronics.com.au/gravity-uart-mp3-voice-module.html.md))

Do you always feel like the DIY work is boring, not attractive or no vitality when you design it by yourself? This new Gravity MP3 voice module produced by DFRobot...

## Pricing

- **Price:** $12.40 (inc GST) — $11.27 AUD, exc GST
- **Quantity discounts:** 6+ $10.71 (exc GST) · 12+ $10.25 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 1 today, and up to 1300 more in 8–12 days.

## How to buy

- **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=DFR0534:1` (comma-separated SKU:qty pairs) and share the link. Opening it shows a confirmation page with live pricing and stock before anything is added to the cart.
- **Verify the cart first:** fetch `https://core-electronics.com.au/cart/link/DFR0534:1.md` for live line prices (inc & exc GST, quantity discounts applied), stock and dispatch estimates, and totals. Append `/to/{AU-postcode}` (or `/to/{country-code}:{postcode}`) before `.md` for delivery options and prices to that destination. Unknown, retired, or out-of-stock SKUs are flagged. (Query form `cart/link.md?items=...` also works but some robots parsers refuse query strings here.)
- **Checkout** is completed on-site and includes a captcha at the payment step. Share the cart link; checkout takes it from there.
- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

#### Do you always feel like the DIY work is boring, not attractive or no vitality when you design it by yourself?

This new Gravity MP3 voice module produced by DFRobot can solve these problems. This module can store 8MB audio files, which means it can store more than 200 audios for your choice, support MP3, and WAV formats. Its storage method is as simple as USB flash drive, and audios can be updated at any time. It uses the DF-Gravity interface, free from wiring; It has the ability to play the specified audio, play in a loop, and adjust volume. It is suitable for all kinds of projects related to sound or voice, such as an intelligent car, meteorological stations, smart home devices, vehicle navigation, toll stations, safety monitoring, machine audio navigation and so on.

### Specifications

- 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
 
### Includes

- Gravity: UART MP3 Voice Module x1
- Gravity UART/IIC sensor cable x1
 
### Documents

- [Product wiki](https://www.dfrobot.com/wiki/index.php/Voice_Module_SKU:_DFR0534)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/d/f/dfr0534-900x600.jpg)