While the VCC and GND are connected with the Arduino’s 5v and GND. Pin number and pin number 3 will be used as the Serial Port, which will be defined in the programming. The Bluetooth module Tx and Rx pins are connected with the Arduino’s pin number 2 and pin number 3. If you are using a Bluetooth for the first time then you can watch my getting started tutorial on the Bluetooth module available in the related projects section. On the left side, you can see a Bluetooth module, you can use HC-05 or HC-06 Bluetooth Module. It really doesn’t matter if you use a 2.5v LED or a 5v led or even if you add a relay to control a 220 Vac bulb, it will have no effect on the programming. The main reason I added 2.5v LED in the circuit diagram is that this led is very commonly available. In Video you will see I am not using this resistor as the led I am using is 5v. If you have a 5v LED then there is no need to connect this resistor. This is a 2.5v LED and that’s why I connected this current limiting resistor. If you want to learn how to make a schematic and PCB then watch my tutorial given in the related projects section at the end.Īn LED is connected with Pin number 13 of the Arduino through 330-ohm resistor. This is a very basic circuit diagram designed in CadeSoft Eagle 9.1.0 version. Because we can only design a good android application if we know exactly for what purpose we are making this application. My recommendation is first you should follow some basic tutorials and then you can resume from here.īefore we start the android app development, first of all, I would like to explain the circuit diagram and Arduino programming. Otherwise, It can be really confusing for you. Before you follow this tutorial you should have some basic knowledge of how to use the Android studio. The Software used for the Android app developmentĪndroid studio is one of the most commonly used software used for android app development which includes designing and programming.I would appreciate your support in this way! I may make a commission if you buy the components through these links. Enough with the introduction, without any further delay, let’s get started!!! In this tutorial I am going to use a lot of pictures and I will try to explain everything, so this Tutorial can be a bit longer, but trust me if you follow all the steps and read this article, at the end you will be able to make your own Android app to control anything you want. Later after understanding the basics then you can add multiple buttons and you can simply copy and paste the code the only difference will be in the ID, which you will see in the programming. In this tutorial I will add two buttons in the app, one button will be used to turn on the LED and the other button will be used to turn off the LED. Finally, I decided to share with you the knowledge, how to develop your own Android app to control Arduino.įor the best understanding and easy follow-up, I am going to control an LED from the android cell phone app. Due to a lot of requests from my subscribers and followers on my YouTube channel “Electronic Clinic” to explain how to create your own android application. I will share the links of all the projects in which I have used the android applications. 11 Android app Bluetooth related Projects:Īndroid app development– So far I have been using Android applications to control Arduino over Bluetooth.
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