The block diagram of the home automation system for controlling three electrical appliances is shown in Fig. 1 and its complete circuit diagram in Fig. 2. It is built around Arduino Uno R3 (Board1), ...

HC-05 Bluetooth Module. HC05 is basically a Bluetooth module which supports Serial Port Protocol (SPP) and is popularly used in many wireless applications. HC05 can be used to switch between master ...

Working Procedure: Step 1:- Connect all components as per the circuit diagram; disconnect Rx and Tx pins while uploading the code. Step 2:- Download the app called “Arduino Bluetooth Voice Controller” ...

BLOCK DIAGRAM. The Bluetooth control device (e.g., smartphone) establishes a Bluetooth connection with the HC-05 Bluetooth module connected to the Arduino board.The Arduino board receives commands ...

Creating a Bluetooth-controlled device with an Arduino Uno and an HC-05 Bluetooth module enables control of lights or even relays to manage AC appliances wirelessly using an Android smartphone.

This project demonstrates a voice-controlled car controlled via a mobile application using Bluetooth technology. The car also features obstacle detection using an ultrasonic sensor. This versatile ...

RA4M1 microcontroller block diagram. The new Arduino UNO R4 board also adds a CAN bus and a 12-bit analog DAC. Two versions of the new 32-bit Arduino UNO board will be offered: UNO R4 WiFi and UNO R4 ...

Arduino Nicla Vision is an ultra-compact (~2.3×2.3 cm) board powered by an STMicro STM32H7 dual-core Cortex-M7/M4 microcontroller, and equipped with a 2MP camera, a WiFi & Bluetooth LE module, and a ...