Serial Port Bluetooth Module (Slave): HC-06

Overview

Serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use it simply for a serial port replacement to establish connection between MCU and GPS, PC to your embedded project and etc.

Feature

• Use the CSR Bluetooth chip, compatible with the Bluetooth V2.0 protocol
• Operating Voltage 3.3V
• Adjustable baud rate : 1200，2400，4800，9600,19200，38400，57600，115200
• Size: 28mm x 15 mm x 2.35mm
• Operating Current 40 mA
• Sleep Current < 1mA

Default

Slave, 9600 baud rate, N, 8, 1. Pincode 1234

AT command

1. Communications Test

• Sent : AT
• Receive : OK 2.

2.Change baud rate

• Sent : AT+BAUD1
• Receive : OK1200
• Sent : AT+BAUD2
• Receive : OK2400

1---------1200

2---------2400

3---------4800

4---------9600

5---------19200

6---------38400

7---------57600

8---------115200

Baud rate setting can be saved even power down.

3. Change Bluetooth device name

• Sent : AT+NAMEdevicename
• Receive : OKname

(devicename is the name you want the device to be , and it will be searched with this name)

Name setting can be saved even power down.

4. Change Pincode

• Sent : AT+PINxxxx
• Receive : OKsetpin

(xxxx is the pin code you set)

Pin code can be saved even power down.