Laser Fence Alarm Kit with Arduino Uno + LDR
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Laser Fence Alarm Kit with Arduino Uno + LDR — a beginner-level kit for kids.
Build Your Own Laser Fence Alarm with Arduino Uno – Catch Intruders Instantly
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 1-5 days.
Imagine turning an ordinary doorway into a high-tech security checkpoint. With this kit, you'll assemble a laser fence that silently guards any entry. The moment someone breaks the invisible beam, a piercing buzzer and flashing LEDs spring to life. It's a hands-on project that puts real-world electronic surveillance in your hands, perfect for science fairs, t
Laser module and LDR detect beam interruption. Buzzer and LED fire when intruder crosses laser line.
What's in this kit
- Arduino Uno R3
- 5mW Laser Module
- LDR x2
- Active Buzzer
- 5mm Red LED x2
- LM393 Comparator
- 10kΩ Resistors x5
- 220Ω Resistors x5
- 400-pt Breadboard
- M-M Wires x20
- 9V Battery Snap
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Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-5 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items