Bluetooth SPP Serial Port Transparent Transmission Module User Manual

Bluetooth SPP Serial Port Transparent Transmission Module

JDY-31 Bluetooth Backplane User Manual

Version

1. Product introduction:

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

4. Serial AT instruction set

JDY-31 module serial port send AT command must be added \r\n

1. Query the version number
2. Reset
3. DisconnectValid after connection
4. BLE Bluetooth MAC Address
5. Baud rate setting / queryJDY-31 supports 128000 baud rate continuous data transmission and transmission, and does not lose packets, the transmission speed can reach 16Kbytes per second.
6. SPP Bluetooth pairing password
7. Broadcast name setting / query
8. Reply to factory configuration
9. Serial port status output enable setting / query

Bluetooth SPP Serial Port Transparent Transmission Module User Manual – Bluetooth SPP Serial Port Transparent Transmission Module User Manual –