Category
- Arrivals on 2025
- DIY & STEM Kits
- Kits & Projects
- Robotics Kits & Parts
- CNC & 3D Printer Parts
- Development Board
- Electronics-Sensors
- Electronics-Modules
- Electronics-Display Devices
- Electronics-Camera
- Cables & Wires
- Drone / Aeromodelling
- Mechanical Parts
- Miscellaneous items
- Motors & Actuators
- Active Components
- Passive Components
- Supply- Battery & Chargers
- Tools & Equipment
- Used Parts For Sell
Top rated products
-
Drill Machine- MB140 For PCB Drilling & Mini Craft
₹425.00Original price was: ₹425.00.₹169.00Current price is: ₹169.00. -
Jumper Wire DuPont Female To Female (10 Pins)
₹25.00Original price was: ₹25.00.₹22.00Current price is: ₹22.00. -
Plastic Blue Thin Spur Gear-50Teeth for 6mm Shaft
₹65.00Original price was: ₹65.00.₹55.00Current price is: ₹55.00. -
BD140 PNP Bipolar Transistor
₹25.00Original price was: ₹25.00.₹22.00Current price is: ₹22.00. -
BO Motor Wheel- 75mm Dia. x 8mm Width (1Pcs)
₹22.00Original price was: ₹22.00.₹16.00Current price is: ₹16.00.
Google Review
Bamboo Lab A1 3D Printing




Day Night Based Electro Magnat– Science Hobby Project
₹1,250.00 Original price was: ₹1,250.00.₹1,049.00Current price is: ₹1,049.00.
STOCK: Available on Backorder
Quick Review:
- Automatic Door Locking Systems,
- Streetlight or Gate Control Mechanisms,
- Robotics and Automation,
- Home Security Systems.
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.

Day Night Based Electro Magnet– Science Hobby Project
Abstract: The Day–Night Based Electromagnet System is an automated mechanism designed to control the activation and deactivation of an electromagnet based on ambient light conditions. The system utilizes a Light Dependent Resistor (LDR) to continuously monitor natural illumination levels. During daylight, high light intensity keeps the electromagnet switched off, ensuring energy efficiency and safe operation. As darkness approaches, the reduced light level triggers the circuit to energize the electromagnet, allowing it to perform tasks such as automatic locking, holding, lifting, or night-based activation processes. This project offers a simple, reliable, and cost-effective approach to light-controlled automation and demonstrates practical applications in security systems, robotics, smart devices, and domestic automation.
Applications
- Automatic Door Locking Systems-Electromagnets can automatically lock gates or doors at night for enhanced security.
- Streetlight or Gate Control Mechanisms-Used to activate magnetic latches in automatic lighting or gate systems during darkness.
- Robotics and Automation-Robots can use light-based triggers to activate magnetic grippers or holding mechanisms.
- Home Security Systems-Can activate magnetic locks or alarms when the ambient light falls below a set level.
- Industrial Applications-Useful in warehouses or factories where magnetic lifting or holding is required after working hours.
- Smart Home Devices-Integrated into IoT devices for automated nighttime functions using electromagnets.
- Toy Projects and Educational Models-Helps students understand light sensors and electromagnetic control principles.
- Safety Systems-Can trigger night-based safety machinery or locking mechanisms automatically.
- Garden or Farm Automation-Used to operate magnetic-based systems like automatic feeders or shutters during the night.
- Night-Based Alert Systems- Electromagnet-controlled alarms that activate automatically in low-light conditions.
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
You may also like…
-
12V 2A DC Adapter Power Supply
₹210.00Original price was: ₹210.00.₹184.00Current price is: ₹184.00.Add to cart Buy nowQuick Review:
- Input voltage: AC 100~240 V 50 / 60 HZ
- Output voltage: DC 12V
- Output Current: Maximum 2Amp
- Voltage accuracy: ± 5% (no load)
- Plug styles: 5.5 x 2.1 mm
Shipping: Usually delivered in 3-7 days.
Brand New || Best Quality || Skype and Video Support Available.
Need in Bulk Quantity? Let’s Talk!
Availability:
Related products
-
Laser Security Alarm System – Paper Circuit Project
₹299.00Original price was: ₹299.00.₹199.00Current price is: ₹199.00.Add to cart Buy nowQuick Review:
- 100% Working || Hand Made || 100% Support
- Tutorial: Video tutorial is available on YouTube.
- Components: One set with its components & wires in running condition.
- Documentation: Description, Component list, and Circuit diagram.
- Power Supply: No battery included, Includes 9 Volt Battery cap only.
Shipping: Usually delivered in 3-7 days.
Brand New || Best Quality || Skype and Video Support Available.
Need in Bulk Quantity? Let’s Talk!
Availability:
-
Automatic Street Light Control – Paper Circuit Project
₹299.00Original price was: ₹299.00.₹199.00Current price is: ₹199.00.Add to cart Buy nowQuick Review:
- 100% Working || Hand Made || 100% Support
- Tutorial: Video tutorial is available on YouTube.
- Components: One set with its components & wires in running condition.
- Documentation: Description, Component list, and Circuit diagram.
- Power Supply: No battery included, Includes 9 Volt Battery cap only.
Shipping: Usually delivered in 3-7 days.
Brand New || Best Quality || Skype and Video Support Available.
Need in Bulk Quantity? Let’s Talk!
Availability:
-
Door Safety Alarm Using IR Sensor– Science Hobby Project
₹849.00Original price was: ₹849.00.₹799.00Current price is: ₹799.00.Add to cart Buy nowQuick Review:
- Home Security Systems
- Shops and Commercial Stores
- Offices and Workplaces
- Banks and ATMs
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.
-
Power Generation Using Pulley– Science Hobby Project
₹999.00Original price was: ₹999.00.₹749.00Current price is: ₹749.00.Add to cart Buy nowQuick Review:
- Educational Demonstrations,
- Bicycle-Based Power Generation,
- Wind or Water Energy Models,
- Small-Scale Emergency Power.
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.
-
Four Wheel Drive System – Science Hobby Project
₹1,250.00Original price was: ₹1,250.00.₹1,049.00Current price is: ₹1,049.00.Add to cart Buy nowQuick Review:
- Physics and STEM model projects
- Demonstration of mechanical motion transfer
- Toy cars with 4-wheel free movement
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.
-
Half Weve Rectifire – Paper Circuit Project
₹399.00Original price was: ₹399.00.₹349.00Current price is: ₹349.00.Add to cart Buy nowQuick Review:
- 100% Working || Hand Made || 100% Support
- Tutorial: Video tutorial is available on YouTube.
- Components: One set with its components & wires in running condition.
- Documentation: Description, Component list, and Circuit diagram.
- Power Supply: No battery included, Includes 9 Volt Battery cap only.
Shipping: Usually delivered in 3-7 days.
Brand New || Best Quality || Skype and Video Support Available.
Need in Bulk Quantity? Let’s Talk!
Availability:
-
Wireless Power Transmission– Science Hobby Project
₹1,149.00Original price was: ₹1,149.00.₹999.00Current price is: ₹999.00.Add to cart Buy nowQuick Review:
- Wireless Mobile Charging
- Electric Vehicle (EV) Wireless Charging
- Medical Implants & Wearables
- Industrial Automation Systems
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.
-
Fire Detection Alarm Using IR Sensor – Paper Circuit Project
₹299.00Original price was: ₹299.00.₹199.00Current price is: ₹199.00.Add to cart Buy nowQuick Review:
- 100% Working || Hand Made || 100% Support
- Tutorial: Video tutorial is available on YouTube.
- Components: One set with its components & wires in running condition.
- Documentation: Description, Component list, and Circuit diagram.
- Power Supply: No battery included, Includes 9 Volt Battery cap only.
Shipping: Usually delivered in 3-7 days.
Brand New || Best Quality || Skype and Video Support Available.
Need in Bulk Quantity? Let’s Talk!
Availability:



















Reviews
There are no reviews yet.