Learn how to use Bluetooth with Arduino, how to connect HC-05 Bluetooth module to Arduino, how to connect smartphone to Arduino via Bluetooth, how to exchange data between Arduino and smartphone, how to control Arduino from smartphone, how to control Arduino via Bluetooth

In this project, I am going to show you how to control an led using a bluetooth.It is a very simple project the connections are as follows : led cathod : ground pin. led anode : digital pin 13. RXD : arduino pin tx. tXD : arduino pin rx. vcc : 5 volts. gnd :gnd.

In this project, we'll learn how to interface an HC-05 Bluetooth Module with an Arduino Uno. We'll establish a communication link between an Android smartphone and the Arduino, using HC-05 for wireless control.

May 4, 2022 · Step-By-Step Instructions To Connect HC-05 Bluetooth Module To An Arduino. I will show you how to connect your HC-05 module to an Arduino UNO in a few simple steps. HC05 module comes with a 2.54 mm bergstick connector. You can use a male-to-female Dupont cable to connect HC-05 and the Arduino UNO.

In this tutorial, we will explore how we can interface the Bluetooth module (HC-05) with Arduino using Arduino IDE. Also, we will build an example project that will turn ON-OFF LEDs by using a Serial Terminal Android application via Bluetooth.

Here, we will transmit data from Smartphone via Bluetooth to the Arduino Uno and display it on Serial Monitor of PC. Download and install a Bluetooth terminal application on your phone and use it to connect to the HC-05 Bluetooth module.

Mar 30, 2024 · Among the most cost-effective and commonly utilized Bluetooth modules is the HC-05, available online for approximately $5. It presents an economical solution for incorporating Bluetooth connectivity into projects, eliminating the hassle of tangled cables and cluttered wires. This tutorial aims to introduce you to the HC-05.

Jun 30, 2018 · In this article, I will demonstrate how to establish a bluetooth connection with your Arduino by using the Bluetooth HC-05 module. We will collect data from a TMP36 temperature sensor and then display that data in a bluetooth terminal.

Apr 29, 2025 · Writing and Uploading Code to Arduino. Your bluetooth module project's software brings the hardware connections to life. After connecting the HC-05 module to your Arduino board, writing code that makes shared communication possible becomes a vital step. Let's explore the code writing process for bluetooth communication and understand serial ...

Jul 3, 2021 · Establish a BT connection, send command to turn LED on and off and check the status of the LED.