Flash Memory Based Mini Embedded MP3 Sound Module
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Description
This is a small high quality MP3 audio module. A SOP16 package type MP3 main control IC is adopted, so the module is smaller and has quicker response speed. This module has a SPI flash as the storage medium. Chang sound files via the mini USB to the SPI flash directly just like a USB flash drive without using any assistant PC software, which significantly improved operating efficiency. And it is built in a 3 watts amplifier on board that is able direct drive a 3W/8ohm speaker.
Features
- Supports MP3 audio format files, great sound quality.
- Supports storage of max. 3584 MP3 sound files.
- A 32Mbit(4MB)SPI flash memory is taken as the standard. Supports max. 128Mbit(16MB)flash.
- Load/update MP3 sound files via the mini USB port directly on PC(USB flash drive simulation).
- Supports key control mode and one line serial control mode.
- Supports USB sound card function.
- Built-in a 3 watts amplifier that is able to direct drive a 3W/8Ohm speaker.
- 16 levels adjustable sound volume.
Technical Parameters
|
Item |
Description |
|
Audio Format |
Supports sampling rate 8Khz-44.1Khz, bit rate 8- 224Kbps, and 16bit of MP3 audio files |
|
USB Port |
USB 2.0 |
|
Working Voltage |
DC 3.3-5V |
|
Rated Current |
20-250mA(depends on the load) |
|
IO Port Electrical Level |
3.3V TTL electrical level |
|
Size |
20.3mmx20.4mm |
|
Operating Temperature |
-40-85 ℃ |
|
Humidity |
5%~95% |
-
Mike Arquilla on 11/19/2016 22:38:11
I am try to use this in key mode with the ADKEY line! I have wires hocked to power and ground! SPK+ and SPK- ! Then a wire to the ADKEY with resistors and a wire to stop! When I triger the ADKEY with a 1K resistor and stop with the stop button it will play my files in sequence and NOT play the same one over and over!
