Modules Audio+digital Transmission Dual Mode Bluetooth

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Audio + digital transmission dual-mode Bluetooth
JDY-66 Bluetooth Module Manual

Release Notes:

hex
0x00 BUG
Software not updated, only PDF  manual updated| Updated MIC wiring pin, added MIC wiring method on the schematic

Product introduction:

JDY-64 adopts a dual-mode Bluetooth design, and supports lossless two-channel stereo playback and BLE Bluetooth data transmission. It can set the audio Bluetooth broadcast name, volume addition and subtraction, top and bottom music playback, make a call, and refuse to answer the call through the serial AT command. , BLE broadcast name, serial  port baud rate and other controls, the overall performance is very advantageous

Applications:

◆ Car DSP audio
◆Bluetooth speaker light
◆ Bluetooth audio + digital toy
◆Bluetooth speaker
◆BLE transparent transmission application
◆Share mobile power, share weight
◆Medical equipment

**Feature:

**

Default parameters

Pin Function and Schematic

JDY-66 connection differential input (4-wire input power amplifier) power amplifier wiring diagram
Support power supply with amplifier

JDY-66 connection single-ended input (3-wire input amplifier) power amplifier wiring diagram
Support power supply with amplifier
T1 and T2 are audio transformers EI-14

PCB package size chart

Pin function description

PIN| Pin Function|

Pin Function Description

---|---|---
1| TXD| Serial output
2| RXD| Serial input
3| P14| Output 10 support APP control high and low level, default love level
4| P13| Output 10 support APP control high and low level, default love level
5| P12| Output 10 support APP control high and low level, default love level
6| P10| Output 10 support APP control high and low level, default love level
7| K-VCC| Button power supply
8| NULL|
9| NULL|
---|---|---
10| NULL|
11| RESET| Reset pin (low reset)
12| VCC| Power supply (2.7-4.2V)
13| GND| Power ground
14| NULL|
15| ASTAT| Audio    connection   status    pin   (not    connected  low level, connected high level
16| STAT| BLE connection status pin (not connected low, connected high
17| NULL|
18| K-PWR| Button power supply
19| VCCSV| 5 volt power supply
20| RP| Right channel differential positive output pin
21| RN| Right channel differential negative output pin
22| LN| Left channel differential positive output pin
23| LP| Left channel differential negative output pin
24| MIC-IN| MIC signal input pin
25| MIC-VCC| MIC power supply

Serial AT instruction set

JDY-66 module serial port send AT command must be added \r\n

(connection
is
valid)|
4| AT+STAT| Connection
status query
(connection is valid)|
5| AT+VOL+| Volume plus| 15
6| AT+VOL-| Volume reduction| 15
7| AT+NEXT| Next song|
8| AT+LAST| Previous|
9| AT+PLAY| Play|
10| AT+PAUSE| Syop|
11| AT+CALL| Call the last phone number|
12| AT+REJECT| Refuse to receive calls|
13| AT+BAUD| Baud rate setting| 4
14| AT+ISCEN| Connection password switch| 0
15| AT+PSS| Connection password| 1234
16| AT+LADDR| MAC address query|
17| AT+NAME| BLE broadcast name settings and
JDY-66-BLE queries|
18| AT+NAMA| Audio Bluetooth broadcast name
settings and queries JDY-66-Audio|

1. Query the version number

2. Reset

3. Disconnect

Valid after connection

4. Disconnect

X2 indicates the audio Bluetooth connection status
1: indicates connection
0: indicates disconnection

Valid after connection
5. Volume plus

15: indicates the maximum
volume Default: 15

Effective after audio connection

6. Volume reduction

15: indicates the
maximum volume
Default: 15

Effective after audio connection

7. next song

Effective after audio connection
8. Previous

Effective after audio connection

9. Play

Effective after audio connection

10. Stop

Effective after audio connection

11. Call the last phone number

Effective after audio connection
12. Refuse to answer the call

Effective after audio connection

13. Baud rate setting/query

4:9600
5:19200
6:38400
7:57600
8:115200
Default: 4 (9600)
AT+BAUD| +BAUD=

14. APP password switch setting / query

0: no password
1: Use APP password
Default: 0
AT+ISCEN| +ISCEN=

15. APP connection password setting/query

Default password: 1234
AT+PSS| +PSS=

16. MAC address query

17. BLE broadcast name setting/query

Longest: 18 bytes
Default broadcast name:
JDY-66-BLE
AT+NAME| +NAME=

18. Audio Bluetooth Broadcast Name Settings / Query

Longest: 18 bytes
Default broadcast name:
JDY-66-Audio
AT+NAMA| +NAMA=

Description of APP instructions (IO, password)

9.1: Password Settings
Format: AABBE551 + 4Byte native password + 4Byte new password //hexadecimal format The new password can be set only if the local password is the same as the module password.
9.2: APP password sent
Format: AABBE552 + 4Byte APP password //hexadecimal format
When AT+ISCEN1 is turned on, it means that the APP password is used. After each connection, the APP will send a password to the module. After the password is correct,  the APP can control the module’s IO or transparent transmission (the module default APP password is off).

9.3: APP Control Module IO Level (Feature UUID: FFE1)

| Command| Output Level
---|---|---
IO1| AABBE7F101| IO1 is set to high
AABBE7F100| IO1 is set low
IO2| AABBE7F201| IO2 is set to high
AABBE7F200| IO2 is set low
IO3| AABBE7F301| IO3 is set to high
AABBE7F300| IO3 is set low
IO4| AABBE7F401| IO4 is set to high
AABBE7F400| IO4 is set low

Note: The data format is in hexadecimal format.

9.4: Transparent transmission UUID
Service UUID: FFE0
Feature UUID: FFE1 attribute (WRITE, NOTIFY)

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