Dual Mode Bluetooth (SPP+BLE)
Module
JDY-32 Bluetooth User Manual
Version
Version
Date
Description
V1.0
2018-05-08
Release version
Product introduction:
Model
JDY-32
Working frequency
2.4GHZ
Communication Interface
UART
Operating Voltage
1.8-3.6V (3.3V recommended)
Operating temperature
-40 ° C - 80 ° C
Antenna
Built-in PCB antenna
Transmission distance
40 m
Master-slave support
Slave
Module size
19.6 * 14.94 *1.8 mm (length, width, height)
Bluetooth version
Bluetooth 4.2 BLE/Bluetooth 3.0 SPP
SMT soldering temperature
<260°C
Broadcast current
4.4mA
BLE connected current
3.8mA
SPP connected current
12mA
Transmit power
5db (maximum)
Receiving sensitivity
-97dbm
1.
JDY-32 dual-mode Bluetooth is based on Bluetooth 3.0 SPP + Bluetooth 4.2 BLE
design, which can support Windows, Linux, ios, android data transmission, working
frequency 2.4GHZ, modulation mode GFSK, maximum transmission power 5db,
maximum transmission distance 40 meters, Support users to modify the device name,
baud rate and other commands through the AT command, which is convenient and
quick to use.
2. Applications:
JDY-32 is a classic Bluetooth protocol that can communicate with Bluetooth-enabled
computers (desktops, notebooks) and mobile phones (android). Can be applied
◆
Windows computer Bluetooth serial port transparent transmission
◆
Android Bluetooth serial port transparent transmission
◆
Smart home control
◆
Automotive ODB testing equipment
◆
Bluetooth toy
◆
Share mobile power, share weight
◆
Medical equipment
3. Pin function description
Pin function description
STATE
Connection status pin (not connected low, high level after connection)
RXD
Serial input pin (TTL level)
TXD
Serial output pin (TTL level)
GND
Power ground
VCC
Power supply (support 3.6-6V)
EN
Vacant
PIN
Pin
Function
Pin function description
1
TXD
Serial output pin (TTL level)
2
RXD
Serial input pin (TTL level)
3
CTS
4
RTS
5
NULL
6
NULL
7
NULL
8
NULL
9
SWI
10
NULL
11
RST
Reset (active low)
12
VCC
Power supply (1.8-3.6V)
13
GND
Ground
14
EN
15
ALED
Broadcast status pin (not connected to flash,
output high level after connection)
16
STAT
Connection status pin (not connected low level,
output high level after connection)
17
SELECT
AT command pin (only valid after connection, low
level enters AT command mode after connection, high
level is transparent mode), no state of SELECT pin
in unconnected state
18
NULL
19
NULL
20
NULL
21
NULL
22
NULL
23
NULL
24
NULL
25
NULL
4. Serial AT instruction set
Num.
Command
Function
Default
1
AT+VERSION
Version number
JDY-32-V1.0
2
AT+RST
Soft reset
3
AT+DISC
AT command disconnected
4
AT+MAC
Query the MAC address of
BLE
5
AT+MACS
Query the MAC address of
the SPP
6
AT+BAUD
Baud rate
9600
7
AT+NAME
BLE broadcast name
settings and queries
JDY-32-LE
8
AT+NAMES
SPP broadcast name
setting and query
JDY-32-SPP
9
AT+TYPE
SPP password connection
type
2
10
AT+PIN
SPP connection password
1234
11
AT+DEFAULT
Reset
Command
Response
Parameter
AT+VERSION
+VERSION=JDY-19-V1.0
NO
Command
Response
Parameter
AT+RSTOKNO
Command
Response
Parameter
AT+DISC
OK
NO
Command
Response
Parameter
AT+MAC
+MAC=1334ab52de8c
NO
Command
Response
Parameter
AT+MACS
+MAC=1334ab52de8c
NO
Command
Response
Parameter
JDY-32 module serial port send AT command must be added \r\n
1.
Query the version number
2.
Reset
3.
Disconnect
Valid after connection
4.
BLE Bluetooth MAC Address
5.
SPP Bluetooth MAC address
6.
Baud rate setting / query
AT+BAUD<Param>
+OK
Param: (1 to 4)
AT+BAUD
1:9600
2:19200
3:38400
4:57600
5:115200
7.
Command
Response
Parameter
AT+NAME<Param>
OK
Param: BLE broadcast name
Longest: 18 bytes
Default broadcast name:
JDY-32-LE
AT+NAME
+NAME=<Param>
Command
Response
Parameter
AT+NAME<Param>
OK
Param: BLE broadcast name
Longest: 18 bytes
Default broadcast name:
JDY-32-SPP
AT+NAME
+NAME=<Param>
Command
Response
Parameter
AT+TYPE<Param>
OK
Param: (0-2)
0: No password is
required for connection
1: You need to enter a
password for each
connection.
2: The first connection
requires a password
AT+TYPE
+TYPE=<Param>
Command
Response
Parameter
AT+PIN<Param>
OK
Param: The password is 4
digits.
Default password: 1234
AT+PIN
+PIN=<Param>
Command
Response
Parameter
AT+DEFAULT
OK
NO
BLE broadcast name setting / query
8.
SPP Broadcast name setting / query
9.
9.SPP password pairing type
10.SPP connection password
10.
Reply to factory configuration
11.
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