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Daughter Card, SOMO-II, Sound Module 2, Tiny Audio Sound Module

SOMO-II - Daughter Card, SOMO-II, Sound Module 2, Tiny Audio Sound Module

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Product Information






4D Systems uLCD-32PTU/-35DT/-43PT/-43PCT/-70DT LCD Display Modules

Sound Module


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Product Overview

The SOMO-II is a tiny Audio-sound Module that can play MP3 audio files stored on a microSD card (or USB 2.0 Flash drive with extra components), such as voice and music. The SOMO-II (Sound Module 2) features an on board 16-bit MCU, specifically designed for hardware audio decoding. It supports both FAT16 and FAT32 formatted microSD and USB flash drives (not on board, requires external components) up to 32Gb in size and features a 24-bit DAC output with support for all MP3 bit rates with 8 to 48kHz sampling rate. Files can be stored in the root folder of the microSD or USB Flash drive, else in folders. It supports up to 99 folders and every folder can contain up to 255 songs. Audio files can be easily loaded to the microSD card or USB Flash drive using a PC/Laptop and inserted into the SOMO-II for playback. No external software is required. The compact 16-pin drop-in-module takes up very minimal board space and is ideal for any application that requires embedded audio.
  • Supports all MP3 bit rates 11172-3 & ISO1381303 with samples rates from 8 to 48kHz
  • 24-bit DAC output, dynamic range support 90dB, SNR supports 85dB
  • SERIAL MODE supports a 2-wire 3.3V TTL UART interface to any micro-controller
  • KEY-MODE supports a simple stand-alone operation without a host micro
  • Mono amplified speaker output, capable of driving a 4R speaker at 3W (5V supply)
  • Stereo DAC audio output to use with an external amplifier or with headphones
  • On-board microSD memory card adaptor for storing of audio, voice and music files



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