HC-05 Wireless Bluetooth RF Transceiver Module Serial/TTL/RS232 for Arduino

This module can be set to a transmitter or receiver, transmitter could pairing with receiver, receiver and receiver or transmitter and transmitter can't communication between, receiver could pairing with computers and cell phone bluetooth, when buying, the default for receiver. *support Master and Slave mode, modify by AT commander Product Description: The Bluetooth UART RS232 serial Converter Module can easily transfer the UART data through the wireless Bluetooth,without complex PCB layout or deep knowledge in the Bluetooth software stack, you can combine this bluetooth module with your system: MCU, ARM or DSP systems. GPS navigation system Water and electricity gas meter reading system SOC systems. Personal Digital Assistants (PDAs) Computer Accessories Other systems your want to use under bluetooth functions. Features: Operating voltage: 3.3V Working current: matching for 30 MA, matching the communication for 8 MA. Use the CSR mainstream bluetooth chip, bluetooth V2.0 protocol standards. Potter default rate of 9600, the user can be set up. With computer and bluetooth, bluetooth adapter, PDA, seamless connection equipment. Dormancy current: no dormancy. Input power supply 3.3~6V, Prohibit more than 7V. 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 With "Re-search" button (ON/OFF/WAKE foot for it , external MCU out input "High level" can control module to re-search) Compatible with bluetooth master module", slave module" or master-slave (whole) module. Allows your device to both send or receive the TTL data via Bluetooth technology without connecting a serial cable to your computer. No "Automatically prevent power supply peversing func", so please correctly connect power supply Note: Input power supply 3.3~6V, Prohibit more than 7V No "Automatically prevent power supply peversing func", 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 Included: 1 X HC-05 Wireless Bluetooth RF Transceiver Module with Base Board (Soldered)