Wireless Bluetooth RF Transceiver Module RS232 TTL (HC-05) bluetooth module The bluetooth transceiver module is used as UART serial converter module. It can easily transfer the UART data through the wireless bluetooth, without complex pieceB layout or deep knowledge in the bluetooth software stack, you can also connect this bluetooth module with your devices listed below, MCU, ARM or DSP systems, GPS or GSM, Sensor Modules, SOC systems. Personal Digital Assistants (PDAs), computer accessories.

Allows your device to both send or receive the TTL data via Bluetooth technology wirelessly without connecting a serial cable to your computer.
Works with any USB Bluetooth adapters.
Default Baud Rate: 9600,8,1,n.
Built in antenna.
Coverage up to 30ft. 
Bluetooth version: V2.0+EDR
Operating voltage: 3.3V

• Commercial Series: Bluetooth module board Series 
• With LED indicator light, use 150mA and 3.3V regulation chip.
• With VCC,GND,TXD,RXD foot for the Bluetooth

• Compatible with bluetooth master module ,slave module or master-slave(whole) module.
• Input voltage: 3.3~6V

    Note: 

• Input power supply 3.3~6V, Prohibit more than 7V
• No "Automatically prevent power supply function, so please correctly connect power supply
• We advise to install "Bluetooth master module"
• The "State" is output foot for LED status, when bluetooth "Unconnected", output "Pulse" ; when bluetooth "connected", output "High level", we can determine the states from "MCU"
• If only the board , No any "Bluetooth Function "

Package Includes: