3V Coin Battery Holder CR2032/CR2025/CR2016 Computer/Laptop
Ultrasonic Distance Transducer Sensor for Arduino (JSN-SR04T)
Specification
- Working voltage : DC 5V
- Static working current : 5mA
- Working current : 30mA
- Acoustic emission frequency : 40KHz
- Wiring : +5V(positive); Trig(control); Echo(receive); GND(cathode);
PWM DC 6V 12V 24V 28V 3A Motor Speed Regulator Control Switch for DC Motors
Specification
| Operating Voltage range | DC6V 28V |
| Operating Current Range | Within 3A |
| Speed range | 0-100% |
| Length (mm) | 65 |
| Width (mm) | 32 |
| Height (mm) | 15 |
| Weight (gm) | 25 |
| Shipment Weight | 0.03 kg |
| Shipment Dimensions | 6 5 3 cm |
TB6600 4 Ampere Stepper Motor Driver for 16 Micro-Step CNC 1 Axis
MOC3021 IC Optocoupler Traic Driver IC
Right Angled Solder A Type USB 2.0 Female 4-Pin PCB Socket Connector Soldering Jack
Top 10 Latest Free Project Ideas for Diploma in Electronics Engineering 2025–2026
Otto DIY Robot Combo Kit – Programmable Walking Robot for Kids & Beginners – (039)
Features:
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DIY bipedal robot that walks, dances, and avoids obstacles
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Beginner-friendly kit based on Arduino Nano
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Includes all required electronics and plastic parts
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Bluetooth-enabled for wireless control
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Ideal for STEM education, robotics workshops, and fun learning at home
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Easy to assemble with detailed tutorials and open-source support
📦 Included Components:
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Otto Robot 3D Printed Plastic Parts (Color May Vary)
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1x Arduino Nano
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1x Arduino Nano USB Cable
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1x Nano Expansion Shield
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4x SG90 Servo Motors
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1x HC-05 Bluetooth Module
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1x Ultrasonic Sensor (for obstacle detection)
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1x 5V Active Buzzer
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1x On/Off Push Switch
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1x AA 4-Cell Battery Holder (Small size)
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10x Female-to-Female Jumper Wires
How to Make - https://www.instructables.com/Otto-DIY-Arduino-Bluetooth-Robot-Easy-to-3Dprint/
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.
Driver Sleep Alarm Science Project Model – DIY Drowsiness Detection Safety Device for Students DIY KIT (Assembled), 100% Tested
- Driver Sleep Alarm Project – DIY Drowsiness Detection Safety Device for Students DIY KIT – Fully assembled, 100% tested kits.
- Includes full documentation with circuit diagrams, PCB layout, and testing documents.
- YouTube videos available for easy understanding.
- 100% support available on working days from 11 AM to 6 PM via email (smartxbrains@gmail.com).
- Fastest delivery across India. Ideal for electronics projects, this STEM Kit ensures reliability and performance.
16×2 LCD Display Holder For DIY Project – 059
- Universal Compatibility: Designed to fit standard 16x2 LCD displays.
- High-Quality Material: Made from PLA+, known for its strength, lightweight, and eco-friendliness.
- Easy Installation: Includes pre-drilled holes for quick and hassle-free mounting.
- Sleek Design: Provides a clean and professional finish to your project.
- Compact and Lightweight: Perfect for use in compact or portable electronics.
















