Serial Bluetooth Module

Serial Bluetooth Module

This small size Bluetooth TTL transceiver module allows your target device to both send or receive the TTL data via Bluetooth technology without connecting a serial cable to your computer. It's easy to use and completely encapsulated.

PIN define：

STATE -You can connect a external LED to indicate the bluetooth state. It same as the state LED on the module.

RXD -Receive data

TXD -Send data

GND -Power ground

VCC -DC power in (3.6V-6VDC)

KEY -Turn on/off this module by this pin.(1- OFF, 0/Open- ON)

Specifications:

    TTL data transparent transfer between a host Bluetooth device.

    Works with any USB Bluetooth adapters.

    Default Baud Rate: 9600,8,1,n.      Device Name:tinyos   key:1234

    Coverage up to 30ft.

    Built in antenna.

    Power input: 3.6V-6VDC(Can not higher than 6V).

    Mini Size.

AT command sets

Communication test

Send 'AT',If module received this command success the module will reply 'OK'  

Change Baud Rate

Modify the Baud Rate of the module:Send 'AT+BAUD1' (BAUD must be capitalized),If setting success the module will reply 'OK1200'  

The number after BAUD means the baud rate you want set：

1----1200bps

2----2400bps

3----4800bps

4----9600bps

5----19200bps

6----38400bps

7----57600bps

8----115200bps

9----230400bps

A----460800bps

B----921600bps

C----1382400bps

Change Device Name

Send 'AT+NAMEname',If module received this command success the module will reply 'OKname'  

Change Pair number

Send 'AT+PINxxxx',If module received this command success the module will reply 'OKsetpin'  

xxxx is that pair number you want to set. It must be 4 digits.

Document:

Datasheet & AT command 

Tradução em Português brevemente disponível!