How do I connect my Bluetooth module to my smartphone?

How do I connect my Bluetooth module to my phone?

Before being able to use the Android application, you need to pair the Bluetooth module with your smartphone. Power the Arduino board, turn on Bluetooth on the Android phone and search for Bluetooth devices nearby: the JY-MCU module will present itself as HC-06, the pairing password is 1234.

How do you use a Bluetooth module?

Pair your device with the HC 05/06 Bluetooth module:

  1. Turn ON the HC 05/06 Bluetooth module by powering the Arduino.
  2. Scan your smartphone for available devices. Pair your smartphone to the HC 05/06 by entering default password 1234 OR 0000.

How do I connect my Arduino to my phone?

You Will Need

  1. Android Phone – The phone used needs to support USB Host Mode (i.e OTG Support). …
  2. Arduino – Any version will do, but we used an Uno R3.
  3. Arduino USB Cable.
  4. USB OTG Cable – This component connects the USB cable of your Arduino to the micro-USB port of your Android phone.

How do I test a Bluetooth module?

The first thing to do is to power on the Bluetooth module and see if you can connect to it. For this you need an Android device. With the Bluetooth module powered and the LED(s) blinking, on the Android device go to Settings => Connections => Bluetooth and scan for Bluetooth devices. Here the phone has found the HC-06.

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What is a Bluetooth module?

HC-05 Bluetooth Module is an easy to use Bluetooth SPP (Serial Port Protocol) module, designed for transparent wireless serial connection setup. Its communication is via serial communication which makes an easy way to interface with controller or PC.

What is the use of Bluetooth module?

The Bluetooth technology manages the communication channel of the wireless part. The Bluetooth modules can transmit and receives the data wirelessly by using two devices. The Bluetooth module can receive and transmits the data from a host system with the help of the host controller interface (HCI).

How do I connect my Bluetooth module to my Android phone?

How to use the App?

  1. Download the Application form here or here.
  2. Pair your device with HC 05/06 Bluetooth module1) Turn ON HC 05/06 Bluetooth module2) Scan for available device3) Pair to HC 05/06 by entering default password 1234 OR 0000.
  3. Install LED application on your android device.
  4. Open the Application.

What is the use of Bluetooth HC-05?

Designed to replace cable connections HC-05 uses serial communication to communicate with the electronics. Usually, it is used to connect small devices like mobile phones using a short-range wireless connection to exchange files. It uses the 2.45GHz frequency band.

How do I transfer data from Arduino to Bluetooth module?

You may download the Android control App on Playstore from here.



5. Mobile app

  1. Download this Application.
  2. Pair your phone with HC-05. for doing this go to Settings->Bluetooth->Scan device->select HC-05 and pair it. Pass code to pair is ‘1234’.
  3. Now, open the app and connect the HC-05 module.
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Can an Arduino connect to an app?

Arduino Bluetooth Controller



The app sends data to your board via Bluetooth, allowing you to send serial data by pushing a button in the app. You will need a Bluetooth module for your board, though the HC-06 module is widely used and available for just $3 at the time of writing.

Can you connect Arduino to Android?

The Android app is made using MIT App Inventor which is an easy way to make Android apps. The Arduino is connected to the Android device using OTG cable, the device also powers the Arduino. The communication is transferred in serial protocol. The app has buttons to connect and disconnect the USB to the phone.

Wireless connection