RDIoT Demo

MP3 Format Decoder Board Amplifier [B120]

https://www.youtube.com/watch?v=ebXMET2kJqw

* Specs

Features&Benefits:

Superior sound quality.Onboard 2Wmonoamplifier(5V power of up to 3W) is directlyconnected to the speaker(recommendation 43Wspeakers),3.5mm gold plated headphone jackcan connect with headphones or external audio.

With aMicroUSB port.Through the mobile phone data line can use mobile power supply or the USB cable to charge the MP3 battery,also can use 3.7V lithiumbattery,orUSB 5V power supply.

SupportTF Card(mobile phone memory card) andU diskplay mode.

No soldering with speaker terminals for easy wiring.

The module is designed to facilitate modification.

Product Overview:

1) Support MP3 format, playing power on automatically.When mp3 is played the red LED flashes.

2) Support U disk (test 32G), TF Card (test 16G) play mode; power on default TF card mode, if the TF card does not exist automatically jump to the U disk mode,and both devices have installed,then you can manually set the play mode.For details please see the key operating instructions.

3) Buttons can be adjusted up and down to control songs,volume up and down, pause or play, mode switching.For details please see the key operating instructions.

4) Press menu button enter the single/all song play mode.The default mode is the all song mode when power up.Pressing the Repeat button can replace the circulating mode.

Key Operating Instructions:

"Prev / V--" button: "Press" for switchingprevioussong, "long press" for volume down

"Next/v++" button: "Press" for switchingnextsong, "long press" for volume up.

"P / P / Mode" button: "Press" for the "Play/Pause" Switch, "long press" for U disk, TF card mode.

"Repeat" button: "Press" for single/all song" mode(no long press)

Note:

1."Long press" approximate 2S.

2 .If you use U disk mode, it is recommended 5V power supply, and some U disk does not support 3.7V power supply.

Product s Pecifications:

Power range: 3.7~5.5V

Product size: 45mm*36mm

Exquisite double board design, large area of copper, stable and reliable.

Using the anti-static bag exquisite packaging the module, to avoid the electrostatic damage in transit

Bluetooth 4.0 MP3 Decoding Board Module [B147]

https://www.youtube.com/watch?v=jnU8WLHgCcw

* Specs

4.0 Bluetooth MP3 Decoding Board Module LED 12V DIY USB/SD/MMC APE FLAC WAV Decoder Record MP3 Player AUX FM Folders Switch DAE KIT 

This product support recording function.

In the state of AUX long press mode key to enter the recording, the premise is to have U disk or SD card

Can also be in the U disk or SD card state long press play button to choose play the recording.

Function characteristics:

* supported formats: APE FLAC WAV to WMA MP3

* version 4.0 bluetooth chip

* special android APK apple apps for player control operation

* bluetooth push to save in hand pattern in the music scan transfer via bluetooth to players

* mobile phone can read U disk inserted in decoding board/music files in SD card Displayed in the mobile phone Operating as a local file

* radio function, can directly control the automatic searching, manually selected frequency fine tuning

* audio input function, can realize AUX input signal transfer function

* 7 section of the EQ can change automatically presented seven sound effect, to choose from.

DAE will work sound function Can choose virtual bass The high increase.

* Contents

- download app link

Remote Music USB MP3 Decoder Module [B124]

https://www.youtube.com/watch?v=28fiRyuMxYQ

* Specs

100% brand new and high quality

Decoding board size: 10.8 * 2.5 * 3cm

Remote Dimensions: 8.5 * 4 * 0.5cm

Power Supply: DC 5V

Purpose:

A, configure the production of simple sound, controllable players, home appliances, industrial applications.

B, upgrading the ordinary the acoustics, so the acoustics can play MP3 files within the U disk and within the SD card easily.

C, in conjunction with other modules, circuits, equipment, secondary development application, used in toys, gifts, fitness equipment, household appliances, broadcasting systems.

Main Function: A highly integrated single-chip multimedia MP3 audio decoder board, the new interface AUX external source.

1, FM radio bands: 87.5--108Mhz, AUTO search AUTO storage units, antenna customization.

2, AUX external source function; input volume is adjustable, very strong anti-jamming capability.

3, MP3 playback function. Support U disk / SD card playback, maximum support MP3 format 320Kbps, play smooth, sound superb.

4, 4pcs 8LED digital tube, showing a clear pattern of the current function.

5, infrared remote control, can receive signal strength over long distances (10 meters).

MP3 panel keys and the remote control button operation Description:

1, In the state of MP3, short press VOL- to the former song, press VOL + to the next song, long press VOL- to decrease the volume, press VOL + to increase the volume.

2, FM state. press the MODE button to adjust to FM mode, long press SCAN button for automatic search and auto-save radio stations, long press VOL + to increase the volume, short press VOL + to select the next one automatically stored stations; long press VOL- to decrease the volume, short press VOL- to select the former stored station.

3. Pause function keys in the MP3 mode: Short press the SCAN key, MP3 player function is in a suspended state.

Bluetooth 4.0 MP3 Decoding Board Module [B147]

https://www.youtube.com/watch?v=jnU8WLHgCcw

* Specs

This product support recording function.

In the state of AUX long press mode key to enter the recording, the premise is to have U disk or SD card

Can also be in the U disk or SD card state long press play button to choose play the recording.

Function characteristics:

* supported formats: APE FLAC WAV to WMA MP3

* version 4.0 bluetooth chip

* special android APK apple apps for player control operation

* bluetooth push to save in hand pattern in the music scan transfer via bluetooth to players

* mobile phone can read U disk inserted in decoding board/music files in SD card Displayed in the mobile phone Operating as a local file

* radio function, can directly control the automatic searching, manually selected frequency fine tuning

* audio input function, can realize AUX input signal transfer function

* 7 section of the EQ can change automatically presented seven sound effect, to choose from.

DAE will work sound function Can choose virtual bass The high increase.