Bluetooth Shield User Guide

Hi, everyone, we recently updated a new user guide for Bluetooth Shield, which will connect to or be connected by other devices that support SPP protocol per configuration, and it is a suitable substitute for most applications. In this quickly-user- guide, we demonstrated how to achieve communication between Arduino and Bluetooth, communication between Android and Arduino with Bluetooth. At the same time, we point out many detailed problems where friends are easy to make mistakes. Enjoy it.

Bluetooth Shield Introduction

Bluetooth Shield is a serial port Bluetooth module (Master/Slave) breakout board. You can choose ARDUINO's Digital PIN D0->D7 as Software UART to communicate with Bluetooth Shield(and D0,D1 is also Hardware UART).There is a HC-05 on the board and it's an easy to use Bluetooth SPP module designed for transparent wireless serial connection setup. It can be configured to three different modes, Master Mode, Slave Mode or Loopback Mode respectively, and it will connect to or be connected by other devices that support SPP protocol per configuration, and it is a suitable substitute for most applications. http://youtu.be/tC7udOTYBLc

Hardware and Software Preparation

Part 1 Communication Between Arduino and Bluetooth

Assemble the Arduino UNO and Bluetooth Shield, and then connect to PC.
Set the switch in H port to enter AT mode, and the LED1 blink slowly in AT mode. In addition, we default the short caps on SW side.