Specification: Note:It's HC-05 Bluetooth module Slave and master two in one module 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.
1. It is HC-05. 2. Use the CSR mainstream bluetooth chip, bluetooth V2.0 protocol standards. 3. Module working voltage 3.3 V. 4. Potter default rate of 9600, the user can be set up. 5. The core module size : 28 mm x 15 mm x 2.35 mm. 6. Working current: matching for 30 MA, matching the communication for 8 MA. 7. Dormancy current: no dormancy. 8. Used for GPS navigation system, water and electricity gas meter reading system. 9. With computer and bluetooth bluetooth adapter, PDA, seamless connection equipment Commercial Series: Bluetooth module board Series With LED indicator light, use 150mA and 3.3V regulation chip. With VCCă€GNDă€TXDă€RXD foot for the Bluetooth With "Re-seach" button(ON/OFF/WAKE foot for it , external MCU outinput "High level" can control module to re-seach) Compatible with bluetooth master module"ă€slave module"or master-slave(whole) module. Input voltage: 3.3~6V Size: 1.55cm*3.98cm 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" Wireless Serial 6 Pin Bluetooth RF Transceiver Module HC-05 RS232 Master Slave