Description

The DY-SV5W is an intelligent voice module that integrates seven distinct operating modes, including IO trigger control, UART serial control, ONE-line single-wire serial control, and standard MP3 playback. It features an on-board 5W Class D amplifier, capable of directly driving a 4Ω, 3-5W speaker. The module supports MP3 and WAV decoding formats and is compatible with TF cards up to 32GB. Audio files stored on the TF card can be easily updated by connecting the module to a computer via a USB data cable.

Features

Supports MP3 and WAV audio decoding formats.
Supports sampling frequencies (kHz): 8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48.
Features a 24-bit DAC output, with a dynamic range up to 90 dB and an SNR up to 85 dB.
Supports FAT16 and FAT32 file systems, with maximum support for 32 Gbit (4 MB) TF cards and 32 Gbit (4 MB) USB flash drives.
Supports UART serial control for voice broadcasting functions, including play, pause, track selection, volume control, and more. Up to 65,535 audio files can be addressed. Default baud rate: 9600 bps.
Supports I/O trigger functionality: 8-bit I/O ports can trigger 8 individual audio tracks, or 8 I/O combinations can trigger up to 255 tracks.
Supports one-line single-bus serial control, enabling playback, pause, track selection, and volume adjustment.
Includes 3 configurable I/O pins for mode selection, supporting up to 7 operating modes.
Built-in 5 W Class-D amplifier capable of directly driving a 4 Ω, 3–5 W speaker.

Parameters

Item	Description
Product Name	DY-SV5W Voice Playback Module
Product Number	DY-SV5W
Work Voltage	DC 5V
Working Temperature Range	-20 ~ 85 °C
Working Humidity Range	0% ~ 95%RH
Size	40 × 40 × 9 mm

Module Pinout and Functions

No.	Pin Name	Instruction
1	5V-	Work voltage negative pole.
2	5V+	Work voltage positive pole.
3	TXD/IO0	IO trigger mode: input IO0; UART mode: TX.
4	RXD/IO1	IO trigger mode: input IO1; UART mode: RX.
5	IO2	IO trigger mode input IO2.
6	IO3	IO trigger mode input IO3.
7	IO4 / ONE_LINE	IO mode input IO4; One-line mode data receiver pin.
8	IO5	IO trigger mode input IO5.
9	IO6	IO trigger mode input IO6.
10	IO7	IO trigger mode input IO7.
11	BUSY	Outputs LOW level (0V) when playing, and HIGH level (3.3V) after playback.
12	GND	Ground.

Work Mode configuration

Control Mode	Configuration Pin			I/O Function
	CON3	CON2	CON1	IO7	IO6	IO5	IO4	IO3	IO2	IO1	IO0
I/O Integrated Mode 0	0	0	0	Key combination play, can play 2^8-1(255) Songs.
I/O Integrated Mode 1	0	0	1	Level combination play, can play 2^8-1(255) Songs.
I/O Independent Mode 0	0	1	0	Song8	Song7	Song6	Song5	Song4	Song3	Song2	Song1
I/O Independent Mode 1	0	1	1	Song8	Song7	Song6	Song5	Song4	Song3	Song2	Song1
UART Mode	1	0	0							RXD	TXD
One-Line Mode	1	0	0				TXD
Standard MP3 Mode	1	0	1				RPT	EQ	P/P/MODE	PREV/V-	NEXT/V+
Note:
1>. “key combination play” : Return to the original high level after the corresponding level from IO0-IO7 output, similar to the key triggered once. Similar instantaneous switch.
2>. “Level combination play” : The trigger signal remains the same, similar to a self-locking switch.
3>. The difference between “I/O Integrated/Independent Mode 0” and “I/O Integrated/Independent Mode 1” : Mode 0 will continue playing the current song to the end after release level. Mode 1 will stop playing immediately after release level.

I/O Integrated Mode 0 (Key combination playing).

It will stop playing current song to the end after I/00-7 release input signal (return to high) at ‘I/O Integrated Mode 0’. It will playing new song when get new input signal during playing and stop after end of song. It will play repeatedly if keep input. Busy pin will output valid signal(High) during playing. Music control as following:

It will stop playing current song to the end after I/O0~7 release input signal(return to high) at “I/O Integrated Mode 0”. It will playing new song when get newinput signal during playing and stop after end of song. It will play repeatedly if keep input.Busy pin will output valid signal (High) during playing.Music control as following:

Note: the song must be named for 5bit.

IO7	IO6	IO5	IO4	IO3	IO2	IO1	IO0	Song
1	1	1	1	1	1	1	0	00001.mp3
1	1	1	1	1	1	0	1	00002.mp3
1	1	1	1	1	1	0	0	00003.mp3
1	1	1	1	1	0	1	1	00004.mp3
1	1	1	1	1	0	1	0	00005.mp3
1	1	1	1	1	0	0	1	00006.mp3
1	1	1	1	1	0	0	0	00007.mp3
……	……	……	……	……	……	……	……	……
0	0	0	0	0	0	0	0	00255.mp3

I/O Integrated Mode 1 (Level combination playing)

It will keep playing current song when get trigger signal.It will stop playing immediately after release level.Busy pin will output valid signal(High) during playing.

IO7	IO6	IO5	IO4	IO3	IO2	IO1	IO0	Song
1	1	1	1	1	1	1	0	00001.mp3
1	1	1	1	1	1	0	1	00002.mp3
1	1	1	1	1	1	0	0	00003.mp3
1	1	1	1	1	0	1	1	00004.mp3
1	1	1	1	1	0	1	0	00005.mp3
1	1	1	1	1	0	0	1	00006.mp3
1	1	1	1	1	0	0	0	00007.mp3
……	……	……	……	……	……	……	……	……
0	0	0	0	0	0	0	0	00255.mp3

I/O Independent Mode 0 (Key independent controlling)

I/00-I/07 independently controls 8 songs.It will stop playing current song to the end after I/00-7 release input signal(return to high);It will playing new song when get new input signal during playing and stop after end of song;It will play repeatedly if keep input;Busy pin will output valid signal(High) during playing.

IO7	IO6	IO5	IO4	IO3	IO2	IO1	IO0	Song
1	1	1	1	1	1	1	0	00001.mp3
1	1	1	1	1	1	0	1	00002.mp3
1	1	1	1	1	0	1	1	00003.mp3
1	1	1	1	0	1	1	1	00004.mp3
1	1	1	0	1	1	1	1	00005.mp3
1	1	0	1	1	1	1	1	00006.mp3
1	0	1	1	1	1	1	1	00007.mp3
0	1	1	1	1	1	1	1	00008.mp3

I/O Independent Mode 1 (Level independent controlling)

I/00-1/07 independently controls 8 songs.It will keep play repeatedly specify the triggered song.It will stop playing immediately after release level.Busy pin will output valid signal(High) during playing.

IO7	IO6	IO5	IO4	IO3	IO2	IO1	IO0	Song
1	1	1	1	1	1	1	0	00001.mp3
1	1	1	1	1	1	0	1	00002.mp3
1	1	1	1	1	0	1	1	00003.mp3
1	1	1	1	0	1	1	1	00004.mp3
1	1	1	0	1	1	1	1	00005.mp3
1	1	0	1	1	1	1	1	00006.mp3
1	0	1	1	1	1	1	1	00007.mp3
0	1	1	1	1	1	1	1	00008.mp3

UART Mode

Communication Format

Note: the song must be named for 5bit.

IO7	IO6	IO5	IO4	IO3	IO2	IO1	IO0	Song
1	1	1	1	1	1	1	0	00001.mp3
1	1	1	1	1	1	0	1	00002.mp3
1	1	1	1	1	1	0	0	00003.mp3
1	1	1	1	1	0	1	1	00004.mp3
1	1	1	1	1	0	1	0	00005.mp3
1	1	1	1	1	0	0	1	00006.mp3
1	1	1	1	1	0	0	0	00007.mp3
……	……	……	……	……	……	……	……	……
0	0	0	0	0	0	0	0	00255.mp3

UART Communication Command

Control Command

Command	Command code	Return
Play	AA 02 00 AC	None
Pause	AA 03 00 AD	None
Stop	AA 04 00 AE	None
Previous	AA 05 00 AF	None
Next	AA 06 00 B0	None
Volume +	AA 14 00 BE	None
Volume −	AA 15 00 BF	None
Previous file	AA 0E 00 B8	None
Next file	AA 0F 00 B9	None
Stop playing	AA 10 00 BA	None

Query Command

Command	Command Code	Return
Query play status	AA 01 00 AB	AA 01 01, play status, SM
Query current online drive	AA 09 00 B3	AA 09 01, drive, SM
Query current play drive	AA 0A 00 B4	AA 0A 01, drive, SM
Query Number of songs	AA 0C 00 B6	AA 0C 02 S.N.H S.N.L SM
Query current song	AA 0D 00 B7	AA 0D 02 S.N.H S.N.L SM
Query folder directory song	AA 11 00 BB	AA 11 02 S.N.H S.N.L SM
Query folder Number of songs	AA 12 00 BC	AA 12 02 S.N.H S.N.L SM

UART Communication Command

Control Command			Query Command
Command	Command Code	Return	Command	Command code	Return
Play	AA 02 00 AC	None	Query play status	AA 01 00 AB	AA 01 01, play status, SM
Pause	AA 03 00 AD	None	Query current online drive	AA 09 00 B3	AA 09 01, drive, SM
Stop	AA 04 00 AE	None	Query current play drive	AA 0A 00 B4	AA 0A 01, drive, SM
Previous	AA 05 00 AF	None	Query Number of songs	AA 0C 00 B6	AA 0C 02 S.N.H S.N.L SM
Next	AA 06 00 B0	None	Query current song	AA 0D 00 B7	AA 0D 02 S.N.H S.N.L SM
Volume +	AA 14 00 BE	None	Query folder directory song	AA 11 00 BB	AA 11 02 S.N.H S.N.L SM
Volume −	AA 15 00 BF	None	Query folder Number of songs	AA 12 00 BC	AA 12 02 S.N.H S.N.L SM
Previous file	AA 0E 00 B8	None
Next file	AA 0F 00 B9	None
Stop playing	AA 10 00 BA	None

Setting Command
Command	Command code	Return	Remark
Set Volume	AA 13 01 VOL SM	None	VOL: 0x00–0xFF
Set Loop mode	AA 18 01 Loop-mode SM	None	Loop-mode: 0x00–0x07
Set Cycle times	AA 19 02 H L SM	None	H: 0x00–0xFF L: 0x00–0xFF
Set EQ	AA 1A 01 EQ SM	None	EQ: 0x00–0x04
Specified Song	AA 07 02 S.N.H S.N.L SM	None	S.N.H: 0x00–0xFF S.N.L: 0x00–0xFF
Specified Path	AA 08 Length Drive Path SM	None	Length: 0x00–0xFF Drive: 0x00–0xFF Path: 0x00–0xFF
Switch Specified Drive	AA 0B 01 Drive SM	None	Drive: 0x00–0xFF
Specified song to be interplay	AA 16 03 Drive S.N.H S.N.L SM	None	S.N.H: 0x00–0xFF S.N.L: 0x00–0xFF
Specified path to be interplay	AA 17 Length Drive Path SM	None	Length: 0x00–0xFF Drive: 0x00–0xFF Path: 0x00–0xFF
Select but no play	AA 1F 02 S.N.H S.N.L SM	None	S.N.H: 0x00–0xFF S.N.L: 0x00–0xFF

One_line Single Bus Mode

The number 0-9 has corresponding functions, such as selecting music, setting the volume, setting EQ setting cycle mode, setting channel, setting the repertoire, and sending the digital at first and then send function command.

0x00	No. 0
0x01	No. 1
0x02	No. 2
0x03	No. 3
0x04	No. 4
0x05	No. 5
0x06	No. 6
0x07	No. 7
0x08	No. 8
0x09	No. 9

COMMAND (HEX)	FUNCTION	NOTE
0x0A	Number reset	Sent the number of Cleared

Cooperate with Numbers to achieve.

COMMAND (HEX)	FUNCTION
0x0B	Confirm choosing song
0x0C	Volume setting
0x0D	EQ setting
0x0E	Loop mode setting
0x0F	Channel setting
0x10	Interplay song setting

Note: “selection” and “interplay” are played according to the track name, for example, the track is named “00123. Mp3”, and the selected data is “Ox01”, “0x02” “0x03” “Ox0B”, and the
selection is completed.

Command (HEX)	Function
0x11	Play
0x12	Pause
0x13	Stop
0x14	Previous
0x15	Previous directory

Command (HEX)	Function
0x16	Next directory
0x17	SD card selection
0x18	SD card selection
0x19	U disk selection
0x1A	FLASH selection
0x1B	System sleep
0x1C	Stop Playing

References

DY-SV5W Voice Playback Module Datasheet

If you want to learn more detailed information about this product, please click the blue text here.

Shipping Cost

We only ship to the United States. Shipping costs are calculated based on the total order amount.

Shipping Method And Delivery Time

All orders will be processed and shipped within 72 hours of placing the order (excluding weekends and holidays). They will ship from Shenzhen, China, primarily via 4PX logistics. Depending on the destination and logistics conditions, other carriers such as DHL, FedEx, UPS, USPS, etc., may also handle the delivery. Estimated shipping time is 7-12 business days, with actual delivery occurring in 10-17 business days, depending on logistics conditions.

Payment:

We accept Visa, Master card, Maestro, American Express, JCB, Dinner's Club, Discover, Paypal, Apple Pay, Google Pay .

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DY-SV5W Voice Playback Module

$3.831pcs

The DY-SV5W Voice Playback Module can function as an MP3 player, supporting trigger playback, serial port control, and TF card playback.

Dimensions	40 × 40 × 9 mm
Brand	easyelecmodule

5326 in stock

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SKU: DY-SV5W Voice Playback Module Category: MP3/WAV Decoding Board

DESCRIPTIONS AND FEATURES

Item	Description
Product Name	DY-SV5W Voice Playback Module
Product Number	DY-SV5W
Work Voltage	DC 5V
Working Temperature Range	-20 ~ 85 °C
Working Humidity Range	0% ~ 95%RH
Size	40 × 40 × 9 mm

No.	Pin Name	Instruction
1	5V-	Work voltage negative pole.
2	5V+	Work voltage positive pole.
3	TXD/IO0	IO trigger mode: input IO0; UART mode: TX.
4	RXD/IO1	IO trigger mode: input IO1; UART mode: RX.
5	IO2	IO trigger mode input IO2.
6	IO3	IO trigger mode input IO3.
7	IO4 / ONE_LINE	IO mode input IO4; One-line mode data receiver pin.
8	IO5	IO trigger mode input IO5.
9	IO6	IO trigger mode input IO6.
10	IO7	IO trigger mode input IO7.
11	BUSY	Outputs LOW level (0V) when playing, and HIGH level (3.3V) after playback.
12	GND	Ground.

Control Mode	Configuration Pin			I/O Function
	CON3	CON2	CON1	IO7	IO6	IO5	IO4	IO3	IO2	IO1	IO0
I/O Integrated Mode 0	0	0	0	Key combination play, can play 2^8-1(255) Songs.
I/O Integrated Mode 1	0	0	1	Level combination play, can play 2^8-1(255) Songs.
I/O Independent Mode 0	0	1	0	Song8	Song7	Song6	Song5	Song4	Song3	Song2	Song1
I/O Independent Mode 1	0	1	1	Song8	Song7	Song6	Song5	Song4	Song3	Song2	Song1
UART Mode	1	0	0							RXD	TXD
One-Line Mode	1	0	0				TXD
Standard MP3 Mode	1	0	1				RPT	EQ	P/P/MODE	PREV/V-	NEXT/V+
Note:
1>. “key combination play” : Return to the original high level after the corresponding level from IO0-IO7 output, similar to the key triggered once. Similar instantaneous switch.
2>. “Level combination play” : The trigger signal remains the same, similar to a self-locking switch.
3>. The difference between “I/O Integrated/Independent Mode 0” and “I/O Integrated/Independent Mode 1” : Mode 0 will continue playing the current song to the end after release level. Mode 1 will stop playing immediately after release level.

IO7	IO6	IO5	IO4	IO3	IO2	IO1	IO0	Song
1	1	1	1	1	1	1	0	00001.mp3
1	1	1	1	1	1	0	1	00002.mp3
1	1	1	1	1	1	0	0	00003.mp3
1	1	1	1	1	0	1	1	00004.mp3
1	1	1	1	1	0	1	0	00005.mp3
1	1	1	1	1	0	0	1	00006.mp3
1	1	1	1	1	0	0	0	00007.mp3
……	……	……	……	……	……	……	……	……
0	0	0	0	0	0	0	0	00255.mp3

IO7	IO6	IO5	IO4	IO3	IO2	IO1	IO0	Song
1	1	1	1	1	1	1	0	00001.mp3
1	1	1	1	1	1	0	1	00002.mp3
1	1	1	1	1	1	0	0	00003.mp3
1	1	1	1	1	0	1	1	00004.mp3
1	1	1	1	1	0	1	0	00005.mp3
1	1	1	1	1	0	0	1	00006.mp3
1	1	1	1	1	0	0	0	00007.mp3
……	……	……	……	……	……	……	……	……
0	0	0	0	0	0	0	0	00255.mp3

IO7	IO6	IO5	IO4	IO3	IO2	IO1	IO0	Song
1	1	1	1	1	1	1	0	00001.mp3
1	1	1	1	1	1	0	1	00002.mp3
1	1	1	1	1	0	1	1	00003.mp3
1	1	1	1	0	1	1	1	00004.mp3
1	1	1	0	1	1	1	1	00005.mp3
1	1	0	1	1	1	1	1	00006.mp3
1	0	1	1	1	1	1	1	00007.mp3
0	1	1	1	1	1	1	1	00008.mp3

IO7	IO6	IO5	IO4	IO3	IO2	IO1	IO0	Song
1	1	1	1	1	1	1	0	00001.mp3
1	1	1	1	1	1	0	1	00002.mp3
1	1	1	1	1	0	1	1	00003.mp3
1	1	1	1	0	1	1	1	00004.mp3
1	1	1	0	1	1	1	1	00005.mp3
1	1	0	1	1	1	1	1	00006.mp3
1	0	1	1	1	1	1	1	00007.mp3
0	1	1	1	1	1	1	1	00008.mp3

IO7	IO6	IO5	IO4	IO3	IO2	IO1	IO0	Song
1	1	1	1	1	1	1	0	00001.mp3
1	1	1	1	1	1	0	1	00002.mp3
1	1	1	1	1	1	0	0	00003.mp3
1	1	1	1	1	0	1	1	00004.mp3
1	1	1	1	1	0	1	0	00005.mp3
1	1	1	1	1	0	0	1	00006.mp3
1	1	1	1	1	0	0	0	00007.mp3
……	……	……	……	……	……	……	……	……
0	0	0	0	0	0	0	0	00255.mp3

Command	Command code	Return
Play	AA 02 00 AC	None
Pause	AA 03 00 AD	None
Stop	AA 04 00 AE	None
Previous	AA 05 00 AF	None
Next	AA 06 00 B0	None
Volume +	AA 14 00 BE	None
Volume −	AA 15 00 BF	None
Previous file	AA 0E 00 B8	None
Next file	AA 0F 00 B9	None
Stop playing	AA 10 00 BA	None

Command	Command Code	Return
Query play status	AA 01 00 AB	AA 01 01, play status, SM
Query current online drive	AA 09 00 B3	AA 09 01, drive, SM
Query current play drive	AA 0A 00 B4	AA 0A 01, drive, SM
Query Number of songs	AA 0C 00 B6	AA 0C 02 S.N.H S.N.L SM
Query current song	AA 0D 00 B7	AA 0D 02 S.N.H S.N.L SM
Query folder directory song	AA 11 00 BB	AA 11 02 S.N.H S.N.L SM
Query folder Number of songs	AA 12 00 BC	AA 12 02 S.N.H S.N.L SM

Control Command			Query Command
Command	Command Code	Return	Command	Command code	Return
Play	AA 02 00 AC	None	Query play status	AA 01 00 AB	AA 01 01, play status, SM
Pause	AA 03 00 AD	None	Query current online drive	AA 09 00 B3	AA 09 01, drive, SM
Stop	AA 04 00 AE	None	Query current play drive	AA 0A 00 B4	AA 0A 01, drive, SM
Previous	AA 05 00 AF	None	Query Number of songs	AA 0C 00 B6	AA 0C 02 S.N.H S.N.L SM
Next	AA 06 00 B0	None	Query current song	AA 0D 00 B7	AA 0D 02 S.N.H S.N.L SM
Volume +	AA 14 00 BE	None	Query folder directory song	AA 11 00 BB	AA 11 02 S.N.H S.N.L SM
Volume −	AA 15 00 BF	None	Query folder Number of songs	AA 12 00 BC	AA 12 02 S.N.H S.N.L SM
Previous file	AA 0E 00 B8	None
Next file	AA 0F 00 B9	None
Stop playing	AA 10 00 BA	None

Setting Command
Command	Command code	Return	Remark
Set Volume	AA 13 01 VOL SM	None	VOL: 0x00–0xFF
Set Loop mode	AA 18 01 Loop-mode SM	None	Loop-mode: 0x00–0x07
Set Cycle times	AA 19 02 H L SM	None	H: 0x00–0xFF L: 0x00–0xFF
Set EQ	AA 1A 01 EQ SM	None	EQ: 0x00–0x04
Specified Song	AA 07 02 S.N.H S.N.L SM	None	S.N.H: 0x00–0xFF S.N.L: 0x00–0xFF
Specified Path	AA 08 Length Drive Path SM	None	Length: 0x00–0xFF Drive: 0x00–0xFF Path: 0x00–0xFF
Switch Specified Drive	AA 0B 01 Drive SM	None	Drive: 0x00–0xFF
Specified song to be interplay	AA 16 03 Drive S.N.H S.N.L SM	None	S.N.H: 0x00–0xFF S.N.L: 0x00–0xFF
Specified path to be interplay	AA 17 Length Drive Path SM	None	Length: 0x00–0xFF Drive: 0x00–0xFF Path: 0x00–0xFF
Select but no play	AA 1F 02 S.N.H S.N.L SM	None	S.N.H: 0x00–0xFF S.N.L: 0x00–0xFF

0x00	No. 0
0x01	No. 1
0x02	No. 2
0x03	No. 3
0x04	No. 4
0x05	No. 5
0x06	No. 6
0x07	No. 7
0x08	No. 8
0x09	No. 9

COMMAND (HEX)	FUNCTION	NOTE
0x0A	Number reset	Sent the number of Cleared

COMMAND (HEX)	FUNCTION
0x0B	Confirm choosing song
0x0C	Volume setting
0x0D	EQ setting
0x0E	Loop mode setting
0x0F	Channel setting
0x10	Interplay song setting

Command (HEX)	Function
0x11	Play
0x12	Pause
0x13	Stop
0x14	Previous
0x15	Previous directory

Command (HEX)	Function
0x16	Next directory
0x17	SD card selection
0x18	SD card selection
0x19	U disk selection
0x1A	FLASH selection
0x1B	System sleep
0x1C	Stop Playing

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