DY-HV20T 20W Amplifier Voice Playback Module
1.Introduction:
DY-HV20T 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 20W
Class D amplifier circuit and can directly drive 4ohm/20W 8ohm/10W speakers.Support MP3,WAV
decoding format. Max support 32Gbit(4MByte) TF card memory which can connect the computer to
update TF card to store audio files via USB cable. It has 3.5mm audio interface, U disk interface,Micro
USB download interface, button module in one module.
2.Feature:
1>
.Intelligent Voice Playback. 2 Single control , 2 Loop control , UART control, One
line control mode
_
within 7 control modes.and Play up to 8 or 255 musics which can meet the needs of different scenarios.
2>
.Mono 20W Class D Amplifier. It has a built-in amplifier, not only direct AUX passive audio output to
such as earphone, but also active output which can connected to 4ohm 20W speaker directly.
3>
.32G TF Card Socket. It can support up to 32G TF card which be able to store more than enough
music files.Users can download and update voice files directly via USB, which is very fast and easy to
use.
4>
.Adjustable Volume. The built-in potentiometer can adjust the volume and ultra-small size.
5>
.Programmable Control. Users can not only control by simple buttons, but also connect to control
devices such as MCU or PLC to complete music playback by command, integrated into their own
embedded devices
3.Function:
1>
.Support MP3 and WAV decoding format.
2>
.Support sampling frequency (KHz) : 8/11.025/12/16/22.05/24/32/44.1/48.
3>
.24-bit DAC output, dynamic range support 90dB, SNR support 85dB.
4>
.Support the FAT16/FAT32 file system, with the maximum support 32Gbit(4MByte) TF card and
32Gbit(4MByte) U-disk.
5>
.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.
6>
.Support I/O trigger function, 8bit I/O ports can trigger 8 musics or 8 I/O combinations to trigger 255
songs.
7>
.Support One
_
line single bus serial port control, which can control playback, pause, selection, turn
up and down volume and other functions.
8>
.Support 3 configuration I/O for mode selection to make 7 work mode.
9>
.Built in 20W Class D amplifier circuit and can directly drive 4ohm/20W 8ohm/10W speaker.
4.Parameter:
1>
.Product Name:DY-HV20T20W Amplifier Voice Playback Module
2>
.Product Number:DY-HV20T
3>
.Work Voltage:DC 6V-35V
4>
.Work Mode: 4-Kinds I/O, UART, ONE
Line, Standard MP3
_
5>
.File Format: MP3,WAV
6>
.Speaker Power: 20W/4ohm, 10W/8ohm
7>
.TF Card Type:32G(Max and NOT included)
8>
.Audio Output: Active/passive output
9>
.Adjust Volume: Yes
10>
.Work Humidity:5%~95%RH
11>
.Size(Installed):122*66*30mm
12>
.Size :50*50*12mm
5.Frequently asked questions
1>
.Does it support key recording?
A : No,It does not.It just support USB. Download new music file by micro USB.
2>
.Can it play more than one file?
A : Yes,it can play more than one music.
3>
.My computer does not recognize the device when i plug in the USB cable. the charging light comes
on but nothing else. what can i do?
A : Please try use another USB data cable or PC to test it.Recommend using windows.
6.Application:
1>
.DIY greeting card
2>
.Music Box
3>
.T oy/Gift Boxes
4>
.Cake box
5>
.Memorial album
7.Package:
1>
.1pcs DY-HV20T20W Amplifier Voice Playback Module