3pcs HC-06 bluetooth RF Transceiver RS232 With Backplane Wireless Serial 4P 4 Pin Module Board For Arduino

Features: Allows your device to both send or receive the TTL data via Bluetooth technology without connecting a serial cable to your computer. 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 "Research" button(ON/OFF/WAKE foot for it, external MCU output "High level" can control module to research) Compatible with bluetooth master module".slave module"or master-slave(whole) module. Input voltage: 3.3~6V Size: 1.55 x 3.98cm Specification: 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 Default Baud Rate: 9600,8,1,n. Signal coverage: 30ft Cable length: about 21.5cm Item size: about 3.5 * 1.5 cm Item weight: 7g Package weight: 9g Note: input power supply 3.3~6V, Prohibit more than 7V No "Automatically prevent power supply reversing function" so please correctly connect the power supply We advise installing "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: 3 x bluetooth Module