Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — ...

Working principle of Arduino-Bluetooth Module In this project, there are four main components used: Android smartphone Bluetooth application, Bluetooth transceiver, Arduino device, and 1 Channel Relay ...

Arduino Setup Connect the sensors and Bluetooth module to the Arduino as per the wiring guide. Upload the Arduino Code: Open the provided Arduino sketch (arduino_code.ino) in the Arduino IDE. Replace ...

The Arduino, Bluetooth module (check your specs, some HC-05, and HC-06 may come on a breakout board expecting 5V), and USB Host shield all run off of 3.3V, but devices you want to plug into the ...

This project uses some sensors and Arduino to design and implement the Affordable Smart ECG Monitoring System. ECG monitoring is now becoming part of everyday life. Through ECG characteristics such as ...