MP3 Player Module Voice Module 4MB Voice Playback IO Trigger Serial Port Control USB Download Voice Playback Module Product Description: DY-SV17F is an intelligent voice module independently developed by the company. It integrates IO segment trigger, UART serial port control, ONE_line single bus serial port control, standard MP3 and other 7 working modes; onboard 5W Class D power amplifier can directly drive 4 3~5W speaker; support MP3, WAV decoding format, onboard 32Mbit (4MByte) flash storage audio file, can connect to the computer to update audio files through USB data cable. Product Features: Support MP3, WAV decoding format. Support sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/48. 24-bit DAC output with 90dB dynamic range and 85dB signal-to-noise ratio. Onboard 32Mbit (4MByte) flash storage, can be connected to the computer to update audio files through the USB data cable. With 5W Class D amplifier, it can directly drive 4, 3~5W speakers. The UART serial port controls the voice broadcast function, which can control playback, pause, song selection, volume addition and subtraction, etc. The maximum selection is 65535 songs, and the baud rate is 9600 bps. Support IO trigger playback function, 8 IO ports trigger 8 tracks or 8 IO ports to trigger 255 tracks. Support One_line single bus serial port control, can control playback, pause, song selection, volume addition and subtraction and other functions. Supports 3 configuration IOs for up to 7 operating mode selections.