Android Remote Arduino HC05

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Introduction: Android Remote Arduino HC05

this is my first project. And i verry bad at English.

So i hope everyone sympathized.

watch the videos to understand the its operating principle.

Step 1: Step1 Getting Hardware

1 Arduino uno

2 Module Bluetooth HC05

3. Module MQ2

4.Module relay 2 Channel

Step 2: Step 2: Building a Circuit and Connecting to Arduino

HC05 Tx - pin 10 Arduino

HC05 Rx - pin 11 Arduino

MQ2 Ao - Pin A0 Arduino

Module relay IN1- Pin 12 Arduino

Module relay IN2- Pin 13 Arduino

red wire is VCC 5v

Black wire is GND 0v

Step 3: Step 3: Programming the Arduino

this is my code:

Step 4: Step 4: Get Android Project, and Install App

down load and copy the app-release to your android phone and duoble click to it then install.

Step 5: Step 5: Testing

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    Questions

    5 Comments

    Can i do it without module relay??? in that case how the new circuit diagram will look???

    2 replies

    the circuit is this

    1.png

    yes, u can
    this is one chanel of module relay.

    Untitled.png

    Thanks for sharing your first instructable - your English is good enough! :)

    1 reply

    thank you, i want to lean more from everyone.