How to set AT Command mode for HC-05 Bluetooth module arduino

AT Command mode is use to change default settings of HC-05 BT module like device name, device role master or slave etc.
This video is to show how to configure AT COMMAND mode for HC-05 BT Module for Arduino.
There are two types of BT Module available in market one with small push button on it and one is without push button both of them are cover in this video.

Complete instruction is available at

How to set AT command mode for HC-05 Bluetooth module

AT Command stands for — Attention Command

Link for AT Command list
https://goo.gl/TUOsL9

Link for AT command arduino sketch
https://goo.gl/tWEQKJ

Link to buy HC-05 BT module
http://amzn.to/2elb0Zc

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