Laser Security System Without Arduino

Описание: 🚨 DIY Laser Security System – No Arduino Needed! 🔦💥
This simple laser-based security system uses basic electronic components to detect intrusions using a laser beam and LDR (Light Dependent Resistor). When the laser beam is interrupted, the system triggers an alarm!

✅ No coding
✅ No Arduino
✅ Easy to build
✅ Perfect for beginners and school projects

🛠️ Main Components:

Laser module

LDR

BC547 transistor

Buzzer

Resistors

9V Battery

📦 Buy all components from 👉 www.projectkitsbd.com
🎓 Learn more electronics projects at Project Kits BD!

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