Smart Bluetooth Module With Shield—Slave
This shield have extract the VCC、GND、TXD、RXD of the bluetooth.（TXD、RXD are both 3.3V）
Input Voltage ： 3.3V-6V
Size : 16.3mm*39mm
This item can be used as a normal serial port bluetooth , and can communicate with PC、Mobile Phone etc.
This item can connect with kinds of serial port devices.
This item can be also expanded for second time with kinds of equipments such as GPS etc.
A clearing effective distance is 10 meters
1、Master modules and slave modules can not switch mode from each other, and only can work as a single work mode
2、 The master modules can only use with this slave modules, and the master modules can not match with other slave modules such as the computer、cell phones and other bluetooth device etc.
3、The slave modules can match with other slave modules such as the computer、cell phones and other bluetooth device etc.
4、The master modules have the same At command with the slave modules except for "AT+NAME" , which means the slave modules have At command of "AT+NAME" and The master modules don't have.
5、This module is TTL serial port : pin is a TTL level interface, it can works well under the condition of all kinds of baud rate
Click to download reference schematic diagram
Click to see more detail inforamtion about Serial Port Bluetooth
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