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JDY-31 SPP-C Bluetooth-compatible serial pass-through module wireless serial communication
JDY-31 SPP-C Bluetooth-compatible serial pass-through module wireless serial communication
In stock
More info
Features:
JDY-31 Bluetooth-compatible is based on Bluetooth-compatible 3.0 SPP design, which can support Windows, Linux, for 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. This Bluetooth-compatible module can only be used as a Bluetooth-compatible slave.
JDY-31 is a classic Bluetooth-compatible protocol that can communicate with Bluetooth-compatible-enabled computers (desktops, notebooks) and mobile phones (for android).
1.Windows computer Bluetooth-compatible serial port transparent transmission
2.For Android Bluetooth-compatible serial port transparent transmission
3.Smart home control
4.Automotive ODB testing equipment
5.Bluetooth-compatible toy
6.Share mobile power, share weight
7.Medical equipment
Parameters:
Model: JDY-31
Bluetooth-compatible version: Bluetooth-compatible 3.0 SPP
Working frequency band: 2. 4GHZ
Communication interface: UART
STM connection temperature: <260 degree
Operating voltage: 1.8-3.6V (3.3v recommended)
Operating current not connected: 4. 7mA
Working temperature: -40~80 degree
Current after BLE connection: 7.3mA
Antenna: Built-in PCB antenna
Transmit power: 8db (Max)
High transmission distance: 30 meters
Receive sensitivity: -97dbm
Master-slave support: slave
SPP maximum throughput: 16K bytes/s (for android, windows)
JDY-31 support patch and solder pin header
Needle pin application: The pin header specification is standard 2.54 pitch pin header, just need to weld 5 pin holes on the module.
SMD application: Generally, only four pins of VCC, GND, RXD and TXD need to be connected. If you need to disconnect actively in the connection state, send AT+DISC in the connection state.
