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DIY Arduino Home Security Alarm System | Motion Sensor + LED + Buzzer
DIY Arduino Home Security Alarm System | Motion Sensor + LED + Buzzer 🚨 In this beginner-friendly Arduino tutorial, I’ll show you how to build a simple home security alarm system using a PIR motion sensor, LED, and buzzer. 👉 Here’s how it works: • When motion is detected, the LED turns red and the buzzer sounds like a siren 🚨 ...
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