App Inventor Arduino

Turn on the smartphone torch by Arduino

Purpose of this tutorial:

In this tutorial we will see how to turn on the smartphone torch using the Arduino board.

This is why we are going to create two programs: a mobile application with App Inventor for the smartphone and a program for the Arduino board.

Necessary components

  • Arduino
  • Smartphone
  • HC-06 Bluetooth
  • Push button
  • Test plate

  • Connecting wires

For the assembly you can see the following article:



Here is the program that allows you to connect the Arduino board to the smartphone and send a message containing the order to turn on the smartphone torch.

Creation of the application with App Inventor:

We are going to create a mobile application named ‘allumer_torche_arduino’ with App Inventor which allows you to receive a message from the Arduino board.

We propose to create the design of the application, with the following visual:

Programming with App Inventor

To program the application, App Inventor offers us to use the Blocks space, which allows you to create a program in the form of a block diagram. Very easy to use but requiring a little programming logic.

Here is the program of the application created in the Blocks area of ​​the Inventor App:

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