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MP3 Module Selection Guide
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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 |
Analog U-disk 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 | $4.90 |
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
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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
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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
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This tutorial here is just to show you how to connect this player module with Arduino and speaker and the Arduino sketch provided here just to play a few sample sounds I collected from the Internet.
Hardware list:
Project 2. How to Make an Automatic Christmas Tree
With all the lights and decorations that people use at Christmas, power is left on all the time, and electricity bills skyrocket. I made this motion-detecting Christmas tree light setup that only turns on when people are nearby.
Hardware list:
PIR Sensor x1
Bluno x1
I/O Expansion Shield v7.1 x1
LED Strip x1
Relay Switch x1
Mini mp3 module
DFSpeaker v1.0
Regular power extension lead (with some modifications)
1k resistors x2
Project 3. How to Make a Jumping Paper Frog
Back in the 80’s and 90’s kids made their own toys like paper planes and spinning tops. These toys accompanied them throughout their childhood. Now let's make a frog.
1. Bluno Beetle controller
2. 3.7V Battery
3. Analog Sound Sensor ( compatible with Arduino)
4. Player module
Project 4. Death Star word clock
Fast forward to Maker Faire 2015, where I had the pleasure of meeting the Particle team and several of the Elites, I noticed one of the latter was building a word clock as well. That's what gave me the final motivation to build one myself. Luckily I saw him struggling with soldering well over 100 Neopixels for over a day, and I decided mine would have to be simpler. One of the other Elites had made an interesting project with an RGB matrix, which sparked the idea that those two might make a great combo.
Hardware components:
Project 5. How to Make A Terrifying Halloween Gadget
This is a simple but fun application for Halloween. All you need is a mask, a stepper motor, a microcontroller, a motor driver, an MP3 module, and some wires as well as batteries.
Hardware components:
Project 6. How to Make A Pet Wearable
Hardware components:
Hardware components: