Price: $21.84

HC-07 Serial Bluetooth Module

Sometimes you need a cheap and reliable source for communication for your project. With bluetooth you get a virtual wire from your device to your project without the fuss - it just works. Error correction, signal noise and retransmission are all taken care of.

Just pair the devices together or to your phone, PC, laptop or controller and you're ready to go.


Wireless serial Bluetooth port with jumper wires to make hooking it up even easier.
Core Modules is a HC-07 
There are breakout leads from the module interface for VCC, GND, TXD and RXD. The LED indicate show connection status,when it is flashing it means there is no connection. When it is on it means it  has connected successfully.
Backplane set anti-reverse diode with 3.3V LDO, input voltage: 3.6~??6V , Unpaired current: about 30 MA, Paired: about 10 MA, input voltage cann't exceed 7V
Interface level is 3.3V
Effective distance : 10M - 15 Meters 
After repaired,can used as full-duplex serial,supports 8 data bits, 1 stop bit, no parity communication format
Easy to connect this module with any standard Bluetooth device, just search and key "1234" passcode. 
Running in slave mode: Pair the BT dongle and master module then, simply establish a connection between the two devices -  GPS, PC,PDA,PSP phone, Industrial control,etc.

Here's a guide we found which will help with setup