Usage Tips:DY-SV5W is an intelligent voice module developed by the division independently. It integrates I/O subsection triggering, UART serial port control, ONE_line single bus serial port control. Onboard 5W Class D amplifier circuit and can directly drive 4ohm 3~5W speakers.Support MP3,WAV decoding format. Max support 32Gbit(4MByte) TF card memory, can connect the computer to update TF card to store audio files via USB cable. 3.5mm audio interface, U disk interface,Micro-USB download interface, button module in one module.Support MP3 and WAV decoding format. Support sampling frequency (KHz) :8/11.025/12/16/22.05/24/32/44.1/48. 24-bit DAC output, dynamic range support 90dB, SNR support 85dB. Support the FAT16/FAT32 file system, with the maximum support 32Gbit(4MByte) TF card and 32Gbit(4MByte) U-disk. Support UART serial port control voice broadcast function.It can control playback, pause, selections, turn up and down volume and other functions, the largest selection of 65535 songs.The baud rate is 9600 bit/s. Support I/O trigger function, 8bit I/O ports can trigger 8 musics or 8 I/O combinations to trigger 255 songs. Support One_line single bus serial port control, which can control playback, pause, selection, turn up and down volume and other functions. Support 3 configuration I/O for mode selection to make 7 work mode. Built in 5W Class D amplifier circuit and can directly drive 4ohm 3~5W speaker. Parameters: Product Name:DY-SV5W Voice Playback Module Product Number:DY-SV5W Work Voltage:DC 5V DUE to Different Batches, The Apperance, Color and Printing of the Product May Be Different, which does not attract use. Colour:blue Material:PCB Memory Card:1GB Package Contents: 1 x Module 1 x Memory Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.