Touch Doorbell DIY Experiments Science Project Model STEM KIT (Assembled), 100% Tested
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- Touch Doorbell Complete assembled Kit, 100% Tested.
- Full documentation, including Circuit Diagrams, PCB Layout, Testing Document, etc.
- Videos available on YouTube for easy setup and understanding.
- https://www.youtube.com/watch?v=D6mLUwvB4-8
- 100% Support available on working days (11 AM - 6 PM), email: Smartxbrains@gmail.com.
- Fastest delivery across India, perfect for various electronics projects. Touch Doorbell DIY Experiments Science STEM KIT (Assembled), 100% Tested ensures reliability and performance.
Turbidity Detection Sensor Kit | Liquid Water Particles Value Detection Sensor Module compatible with Arduino
Specifications :-
| Working voltage | DC 5V |
| Working current | 30mA [MAX] |
| Response time | <500 msec |
| Insulation Resistance | 100M [Min] |
| Operating Temperature (C) | -30 ~ +80 |
| Length (mm) | 33 |
| Width (mm) | 20 |
| Height (mm) | 12 |
| Weight (gm) | 55 |
4×4 Keypad MCU Boar Matrix Array Switch Tactile Keypad 16 Button for Arduino
Features:
- 44 Matrix Keyboard Module with 16 buttons
- Small in size and henceSave space
- More convenient to use
- Expanded development application modules for single chip
- With 16 keys and 8 pin
HCF4033 Decade counter IC
TPA3118 PBTL Mono Digital Amplifier Board
Specification
| Operating voltage (v) | DC 8 24V |
| Chipset | TPA3118 |
| Power output | 60W |
| Material | FR4 |
| Length (mm) | 47 |
| Width (mm) | 35.5 |
| Height (mm) | 12 |
| Weight (gm) | 12 |
| Shipment Weight | 0.016 kg |
| Shipment Dimensions | 13 11 6 cm |
Micro SD Card Module
- Support Micro SD Card, Micro SDHC card (high-speed card)
- The level conversion circuit board that can interface level is 5V or 3.3V
- Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit boar
- Communication interface is a standard SPI interface.
- 4 M2 screw positioning holes for easy installation.
Solar Wind Mill Generator Kit | DIY Renewable Energy Science Project for School Students | Solar + Wind Hybrid Power Model | Educational STEM Kit for Class 6–10 CBSE Projects – (053)
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🌞 Dual Power Generation Model – Solar + Wind Energy:
Demonstrates both solar and wind energy working together to generate electricity — an excellent hands-on renewable energy science model. -
🌬️ Real Working Wind Turbine Generator:
Includes a mini DC motor acting as a wind turbine to show how wind energy can be converted into electricity — great for CBSE and science fair projects. -
🔋 Complete DIY Kit with All Components Included:
Comes with solar panel, motor, fan blades, base board, wires,Bring science to life with the Solar Wind Mill Generator Kit — a perfect DIY Renewable Energy Project Model for school students!
This kit combines solar and wind energy to demonstrate how hybrid power generation works in real life. Students can observe how sunlight and airflow produce electricity, lighting up the included LED.Designed specially for CBSE science projects, this easy-to-assemble kit helps students understand the principles of clean energy, sustainability, and engineering design in an engaging way.
No technical experience is needed — simply follow the included guide, assemble the components, and see renewable energy in action!Ideal for:
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Class 6–10 Science Projects
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School/College Exhibitions
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Renewable Energy Demonstrations
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STEM Learning Activities
Empower young innovators with the power of green energy and inspire their curiosity about the future of sustainable technology.
and connectors — no soldering required, ready to assemble and experiment.
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🎓 Perfect for School Projects & Science Exhibitions:
Ideal for Class 6 to 10 students to understand clean energy concepts, hybrid power generation, and basic electronics through fun learning. -
♻️ STEM Learning Made Fun & Educational:
Encourages curiosity, innovation, and environmental awareness while teaching practical applications of renewable energy sources.
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Face with Dual Eye /Bionic robot /Eye Robot Mechanism Animatronics | Simplified Eye Movement Control DIY KIT 3D and Electronic Parts – (077)
DIY animatronic bionic head with moving eyes, eyelids . Includes servo motors. Perfect for robotics learners and engineering students.
Package Includes - 1.Realistic Animatronic Head & Face with Eyes– 3D parts- 1 Nos 2.SG90 Servo Motor - 6 Nos 3.Nano Shield - 1 Nos 4.Nano Controller - 1 Nos 5.Lithium Battery Holder - 1 Nos 6.Li-ion Battery - 2 Nos 7.Jumper Wires F-F- 10 Nos 8.10K Resistor - 1 Nos 9.10K Pot - 1 Nos 10.Joystick- 1 Nos 11.ON/OFF Switch - 1 Nos How It Work - https://www.instructables.com/Simplified-3D-Printed-Animatronic-Dual-Eye-Mechani/ Note:We have included the 3D-printed parts and essential electronic components in this kit. However, a few additional items such as hardware and the power supply will need to be purchased locally, depending on your specific project requirements.
Bluetooth Controlled Arduino Robot Car Kit – DIY STEM Project for Students – (051)
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Arduino UNO-compatible board
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L298N Motor Driver Module
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4x BO Motors with Wheels
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Bluetooth HC-05 Module
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Robot Chassis 3D Printed (with all mounting accessories)
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4x BO Motor Wheel
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1x Battery holder
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1x 1200mah battery
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10x F-F Jumper wires
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Detailed user manual + circuit diagram
We have included the 3D-printed parts and essential electronic components in this kit. However, a few additional items such as hardware and the power supply will need to be purchased locally, depending on your specific project requirements.
















