Transmission Module JDY-31 User Manual
Bluetooth SPP Serial Port Transparent
Transmission Module
JDY-31 Bluetooth Backplane User Manual
Version
Version
Date
Description
V1.2
2018-09-21
Release version
V1.3
2019-01-08
1. Solved the problem that V1.2 can not
connect to the computer
2. Added the MAC function of the output host
after the module is connected to the host.
3. Added AT+ENLOG command, the user can use
this command to open or block the boot,
connect, and disconnect the serial output
status.
Product introduction:
Model
JDY-31
Working frequency
2.4GHZ
Communication Interface
UART
Operating Voltage
SMD type: 1.8-3.6V (3.3V recommended) with
backplane: 3.6-6V (recommended 5V)
Operating temperature
-40 ° C - 80 ° C
Antenna
Built-in PCB antenna
Transmission distance
30 meters
Master-slave support
Slave
Module size
19.6 * 14.94 *1.8 mm (length, width, height)
Bluetooth version
Bluetooth 3.0 SPP
STM soldering temperature
<260°C
Unconnected operating current
4.7mA
Current after BLE connection
7.3mA
Transmit power
8db (maximum)
Receiving sensitivity
-97dbm
SPP maximum throughput
16K bytes/s (android, windows)
1.
JDY-31 Bluetooth is based on Bluetooth 3.0 SPP design, which can support Windows,
Linux, android data transmission, working frequency 2.4GHZ, modulation mode GFSK,
maximum transmission power 8db, maximum transmission distance 30 meters, support
users to modify device name through AT command The baud rate and other instructions
are convenient and quick to use.
2. Applications:
JDY-31 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
Loading...