Diitao Dy-Sv5W 2Pcs Voice Playback Module, Mp3 Player Music Voice Board, Uart Product Details Feature: 1. Support MP3 and WAV decoding formats. 2. Supported sampling rate (kHz): 8/11.025/12/16/22.05/24/32/44.1/48. 3. 24 bit DAC output, 90dB in dynamic range and 85dB in signal-to-noise ratio. 4. Fully support FAT16/FAT32 file system, and support 32g TF card at most. You can connect the computer via USB cable to update the TF card to store audio files 5. Equipped with 5W class D power amplifier, it can directly drive 4 ?, 3~5w horn. 6. UART serial adapter controls voice broadcast function, which can control playback, pause, music selection, volume increase and decrease and other functions. The maximum music selection is 65535 tracks, and the baud rate is 9600 bit/s. 7. It supports the IO trigger playback function. 8 tracks are triggered by 8 IO ports alone or 255 tracks are triggered by 8 IO ports in combination. 8. Support for One_ Line single bus serial adapter port control, which can control playback, pause, music selection, volume increase and decrease and other functions. 9. It supports 3 configured IOS to select up to 7 working modes and set the dial switch. The operation is simple. Pin description: 5V power supply negative pole: connected to 5V power supply negative pole (GND) 5V power supply positive pole: connected to 5V power supply positive pole Txd/IO0: input pin IO0 in io trigger mode; TX pin in UART control mode, connected to RX of control terminal (MCU) Rxd/IO1: input pin IO1 in io trigger mode; RX pin in UART control mode, connected to TX of control terminal (MCU) IO2:IO trigger mode input pin IO2 IO3:IO trigger mode input pin IO3 IO4/One_ Line:io trigger mode input pin IO4; One_ Line line serial port control mode data receiving pin IO5:IO trigger mode input pin IO5 IO6:IO trigger mode input pin IO6 IO7:IO trigger mode input pin IO7 Busy: output low level (0V) when playing a track, and output high level (3.3V) after playing GND: DY-SV5W voice playback module,Support MP3, WAV decoding format,Support sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/48 UART serial adapter controls voice broadcast function, which can control playback, pause, music selection, volume increase and decrease and other functions, with a maximum of 65535 tracks selected, and the baud rate is 9600bit/s Fully support FAT16/FAT32 file system, maximum support 32G TF card.You can connect the computer via USB cable to update the TF card to store audio files,24-bit DAC output, dynamic range supports 90dB, signal-to-noise ratio supports 85dB Comes with 5W class D power amplifier, which can directly drive 4?, 3~5W speakers.Support IO trigger playback function, 8 IO ports individually trigger 8 tracks or 8 IO ports trigger 255 tracks in combination Support One_line single-bus serial port control, which can control functions such as play, pause, song selection, volume addition and subtraction.Support 3 configuration IOs for up to 7 working modes selection, and the DIP switch setting is simple Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.