Bluetooth Serial Transceiver Module with backboard: Works with any USB Bluetooth adapters. Easy to use and completely encapsulated. This module includes key interface and state interface compared with Smart Bluetooth Module Baseboard. The Bluetooth Module Baseboard can be compatible with master mode, slave mode and both master-slave mode. Works for Bluetooth TTL transceiver module which allows your target device to both send or receive the TTL data. The key interface on the baseboard is the master mode button and can be controlled by high level from external MCU, then this module will search again automatically. This module power supply input is 3.6~6V, Please be careful that it should be not more than 7V. Specifications: Size:35*15mm Net weight:3g Package weight:13g Color:Green Bluetooth module HC-05 Master and slave Two in one module: 1. It is HC-05.Master and slave .Two in one module. 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 .
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 With backplane