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Drill Machine- MB140 For PCB Drilling & Mini Craft
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₹22.00Original price was: ₹22.00.₹16.00Current price is: ₹16.00.
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Bamboo Lab A1 3D Printing




Laser Based Home Security system– Science Hobby Project
₹1,450.00 Original price was: ₹1,450.00.₹849.00Current price is: ₹849.00.
STOCK: Available on Backorder
Quick Review:
Laser Based Home Security System is a simple electronic project that uses a laser beam and LDR to detect unauthorized entry. When the laser beam is interrupted, the system activates a buzzer or alarm, providing instant security alert. It is low-cost, easy to build, and ideal for science hobby projects and school exhibitions.
Shipping: Usually delivered in 3-7 days.
Hand Made || 100% Working || Free Online Demo Class On Video.
Need in Bulk Quantity? Let’s Talk!
Availability: On Pre Order.

Laser Based Home Security system– Science Hobby Project
Abstract: The Laser-Based Home Security System is a simple and efficient electronic security solution designed to detect unauthorized entry using a laser beam and a light-sensitive sensor. The system operates by continuously directing a laser beam onto a Light Dependent Resistor (LDR). Under normal conditions, the laser light keeps the circuit in a stable state. When an intruder crosses the laser path, the beam is interrupted, causing a change in the LDR resistance. This change triggers an electronic control circuit that activates an alarm or buzzer, alerting occupants to a possible intrusion.
This project demonstrates the practical application of sensors, basic electronic components, and alarm systems in security technology. It is low-cost, easy to construct, and suitable for science hobby projects, school exhibitions, and beginner-level electronics learning. The system can be further enhanced by integrating microcontrollers, wireless alerts, or mobile notifications for advanced security applications.
Applications:
- Home and residential security
- Door and window intrusion detection
- Office and commercial building security
- Bank lockers and vault protection
- Shops and showroom security
- Museum and art gallery protection
- Restricted area monitoring
- Warehouse and storage room security
- Science exhibitions and educational demonstrations
- Entry detection for laboratories and server rooms
Shipping Time :> Processing Time—>Demo Class —> Shipped —> Transit Time 3 to 7 Day–> Delivery
**Project Image only Illustration Purpose. The project may be the same or maybe an improved Version.**
Warranty
This item is covered by a 7-day limited warranty from the date of delivery, applicable only to manufacturing defects. This warranty is provided solely to protect customers against any such defects. In the unlikely event of an issue, replacement or reimbursement will be offered after a complete inspection and confirmation of the defect.
What voids the warranty?
If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.
Note: For your peace of mind, all electronic items are imported and, as such, do not come with a manufacturer’s warranty or guarantee. However, we take great care to ensure product quality—each item is thoroughly inspected before dispatch.
Shipping
We strive to ensure that your orders reach every corner of India efficiently and reliably. To achieve this, we partner with some of the most trusted courier services in the country, including E-Kart, Amazon Surface, Delhivery, DTDC, Blue Dart, XpressBees, Ecom Express, and India Speed Post—especially for rural areas, based on the most suitable courier partner for each customer’s location.
For interior or remote regions not serviced by private couriers, we rely on India Post to ensure complete coverage.
We make every effort to dispatch orders on the same day they are placed or within 24 hours of receiving the order. Orders placed before 1 PM (IST) are typically shipped the same day, while those placed after 1 PM are scheduled for shipment the next working day.
This level of commitment applies throughout the week, including weekdays, and often extends to weekends and public holidays to serve our customers better.
We also offer local self-pickup options for customers in nearby areas—available on weekdays and partially available on weekends.
Other Info
- Country of origin: India
- Packer/ Importer: Ercoms Robotics Lab
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