Rain Detection System with Arduino Uno | LED & Buzzer Alert [বাংলা] Welcome to Barcode! In this tutorial, we'll show you how to create a practical rain detection system using an Arduino Uno , an LED , a buzzer , and a water sensor . 🌧️🔧 YT:https://youtube.com/shorts/cg1CbyEAHOk?feature=share Components Needed: - Arduino Uno - Water sensor (rain sensor) - LED - Buzzer - Jumper wires - Breadboard (optional) Wiring Diagram: 1. Water Sensor: - Connect the VCC pin of the water sensor to the 5V pin