3Pcs DFPlayer Mini MP3 Player Module MP3 Voice Audio Decoder Board Supporting TF Card U-Disk IO/Serial Port/AD
DC: 3.3-5v
2 colors, Red and black, we will shipped randomly.
DFPlayer Mini is a compact and inexpensive MP3 module can be directly connected to the speaker. Module with battery power, speaker, the keypad can be used alone, or through the serial port control, as the UNO or any microcontroller with a serial port module. The module itself perfectly integrated hardware decode MP3, WAV, WMA. While the software supports TF card driver to support FAT16, FAT32 file system. Can be done through simple serial commands specified music player, as well as how to play music and other functions, without the cumbersome underlying operating, easy to use, stable and reliable.
Technical Specifications:
Application:
PINOUT:

Pin number | Pin name | Function | Remark |
1 | VCC | Module power input | 3. 3V—5V, 5V is recommended, do not exceed 5. 2V |
2 | RX | UART serial data input | |
3 | TX | UART serial data output | |
4 | DAC_R | Audio output right channel | Drive headphones, amplifier |
5 | DAC_L | Audio output left channel | Drive headphones, amplifier |
6 | SPK2 | Connect small speaker | Drive less than 3W speakers |
7 | GND | Ground | Power ground |
8 | SPK1 | Connect small speaker | Drive less than 3W speakers |
9 | IO1 | Trigger port | Default previous song (long press volume down) |
10 | GND | Ground | Power ground |
11 | IO2 | Trigger port | Default next song (long press volume plus) |
12 | ADKEY1 | AD port 1 | The first song when triggered (long press cycle first song) |
13 | ADKEY2 | AD port 2 | Fifth track when triggered (long press cycle fifth track) |
14 | USB+ | USB+ DP | Connect U disk or USB port of computer |
15 | USB- | USB- DM | Connect U disk or USB port of computer |
16 | Busy | Playback status | With audio, output low. No audio, output high |
3 x DFPlayer Mini MP3 Player Module
(1) FREE Shipping 10 - 15 business days, (2) Standard Shipping 7 - 12 business days.
Shipping and Delivery Estimates
We ship in-stock orders as soon as possible. This is often within two business days, but there are situations where it may take longer. All estimates are based on business days.
Note:
(1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.
(2) Business days do not include Saturday/Sunday and any public holidays.
(3) These estimates are based on normal circumstances and are not a guarantee of delivery times.
(4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.
for more information please visit our Shipping Policy Page.
Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
for more information please visit our Refunds & Returns Policy page.