This is a tutorial how you can put alarm on any room using arduino and php
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Step 1: What Do You Need?
-LCD for Arduino
-Power Supply for Relee
Step 2: Connect LCD to Arduino
Step 3: Connect Speaker to Arduio
Step 4: Connect Sensor to Breadboard Then to Arduino
Step 5: Connect Power Supply for Relee and Relee
Step 6: Install Wamp and Set Up
Step 7: Upload the Sketch
If you need any help: email@example.com