Control an LED with your smartphone using Arduino and the HC-05 Bluetooth module — no Wi-Fi required! In this step-by-step tutorial, you'll learn how to build a simple Bluetooth-controlled LED project using the Connectino Android app, an Arduino Uno, and just a few components.
What You'll Learn:
How to connect and use the HC-05 Bluetooth module with Arduino
How to send commands from your phone to control an LED
How to use the Connectino app for Bluetooth communication
Basic Arduino coding and serial communication.
Parts Needed:
Arduino Uno
HC-05 Bluetooth Module
LED
220-ohm resistor
5K-ohm resistor
10K-ohm resistor
Breadboard & jumper wires
