The remote unit can be powered from 3.3V up to 6V for easy battery attachment. All signal pins on the remote unit are 3V-6V tolerant. No level shifting is required. Do not attach this device directly to a serial port. You will need an RS232 to TTL converter circuit or Arduino, XBee USB Adapter if you need to attach this to a computer. You can either solder a 6-pin header or individual wires.
Unit comes without a connector. Please see related male and female pins below. Note: Master devices and Slave devices must be paired to each other.Master and Master devices, Slave and Slave devices can't be paired each other. The HC-06 runs in slave mode and can be paired with PDA, PC etc.










