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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 loop, and adjust volume. It is suitable for all kinds of projects related to sound or voice, such as intelligent car, meteorological stations, smart home devices, vehicle navigation, toll stations, safety monitoring, machine audio navigation and so on.
MP3 Module Selection Guide
| Picture |
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|
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| Name | DFPlayer | DFPlayer Pro | Gravity: UART MP3 Voice Module |
| SKU | DFR0299 | DFR0768 | DFR0534 |
| Storage | Storage Card Required | 128MB | 8MB |
| Sound Channel | Mono | Dual-channel | Mono |
| Virtual USB Drive Support | No | Yes | Yes |
| ADKEY Control Support | Yes | Yes | No |
| On-board Power Amplifier Support | Yes | Yes | Yes |
| Audio Format | MP3, WAV, WMA | MP3, WAV, WMA, FLAC, AAC, APE | MP3, WAV |
| Communication | UART | UART | UART |
| Operating Voltage | 3.3V/5V | 3.3V/5V | 3.3V/5V |
| Dimension | 20*20mm/0.79*0.79" | 23*24.5mm/0.91*0.96" | 22*30mm/0.87*1.81" |
| Price | $5.90 | $8.90 | $6.90 |
| Features |
1. Small size
2. Support IO, serial port and ADKEY control
3. Maximum support 32G of the TF card, suitable for occasions in need of
abundant audio files
|
1. Stereo dual-channel
output
2. Support four controlling modes: Arduino, AT command, on-board buttons,
and ADKEY
3. On-board 128MB high-speed storage, perfect for occasions in need of
storing small numbers of audio files
4. Support the USB cable to copy music
5. Can be used as a sound card for the PC or Raspberry Pi
|
1. DF-Gravity interface, easy to
connect
2. On-board 8MB storage
3.Support the USB cable to copy music
4. Suitable for playing sound effects and prompt sounds
|
