Voice Controlled Home automation using Bluetooth

Updated: Jul 2, 2021

Here is a simple tutorial for interfacing an Android smartphone with Arduino via Bluetooth!

The main parts to this project. An Android smartphone and application, a Bluetooth transceiver, and an Arduino. We just need an Arduino UNO to serially communicate with HC-05 Bluetooth module and a smartphone to send voice command to Bluetooth module HC-05.

Circuit Diagram:

Connection made as per circuit diagram.

The Following parts are required for this project:

1) Arduino Uno R3

2) HC-05 or HC-06

3) 4 channel Relay module