DC 3V Motor Kit with AA Battery Switch Assembly | DIY Electronics
DC 3V Motor Kit with AA Battery Switch Assembly | DIY Electronics
Couldn't load pickup availability
Short Product Description
Short Product Description
Build and power your own DC motor circuit with this complete all-in-one kit. Includes a brushed DC motor, AA battery holder, safety switch, and pre-assembled wiring for instant setup. Perfect for STEM education, robotics projects, and hands-on learning. Suitable for students, hobbyists, and makers of all skill levels. Get started in minutes with no soldering required.
Key Features
Key Features
- All-in-One Assembly: Motor, battery holder, switch, and wiring pre-configured and ready to use
- Beginner-Friendly Design: No soldering, no programming—focus on learning, not assembly
- Safe Operation: Integrated mechanical switch provides instant power cutoff and circuit control
- 3V Power Delivery: Operates on 1-2 AA batteries; ideal for low-voltage educational projects
- Universal Compatibility: Motor shaft fits standard propellers, wheels, and gear adapters
- Lightweight & Compact: Weighs under 100g; fits easily into small project enclosures
- Durable Brushed Motor: Professional-grade construction designed for 50+ hours of continuous operation
Full Product Description
Full Product Description
Understanding DC Motor Fundamentals
The DC motor is one of the most essential components in electronics education and DIY projects. This 3V DC motor kit provides a practical, plug-and-play solution for understanding electromagnetism, circuit design, and power delivery. Whether you're teaching electromagnetic principles to students or prototyping a robotics application, this kit delivers reliable performance with minimal setup time.
Complete Kit, Zero Hassle
Our DC motor battery switch assembly removes guesswork from circuit building. Each kit includes a professionally assembled motor housing, pre-configured AA battery holder (accepts 2 AA batteries), integrated safety switch, and color-coded wiring with secure connectors. Unlike bare components, this pre-integrated approach ensures correct polarity, safe connections, and reliable operation from the first power-up.
Why This Motor Kit Works
Battery-Powered Design: The kit operates on standard AA batteries, providing 3V (two cells) of clean, stable power—ideal for low-voltage educational environments.
Safety-First Switch Integration: The included mechanical switch cuts power instantly, preventing accidental overwinding, overheating, and damage to sensitive circuits. This is crucial when teaching circuit control to beginners.
Compact, Durable Construction: The molded plastic housing protects the motor windings while maintaining a lightweight footprint perfect for small robotics projects, model cars, fans, or STEM demonstrations.
Real-World Applications
Students use these kits to build working models of electric vehicles, fans, and automation systems. Hobbyists integrate them into Arduino and Raspberry Pi robotics projects. Educators demonstrate energy conversion and electromagnetic principles with immediate, visible results.
Professional Quality, Educational Price
This isn't a toy—it's a real brushed DC motor with proper commutators and carbon brushes. The motor shaft accommodates standard propellers, wheels, and gears, making it compatible with most DIY robotics platforms. Expected lifespan: 50+ operating hours under normal conditions.
Technical Specifications
Technical Specifications
- Operating Voltage: 3V DC (2× AA batteries recommended)
- Nominal Current Draw: 200–400 mA at rated voltage
- Motor Type: Brushed DC motor with commutator
- RPM (No-Load): Approximately 3,500–5,000 RPM
- Power Output: ~1–1.5W at rated voltage
- Shaft Diameter: 2mm (standard size for propellers)
- Housing Material: Molded plastic with protective casing
- Battery Holder Type: AA battery
- Switch Type: Mechanical on/off toggle switch
- Wiring: Color-coded (red = positive, black = negative)
- Total Weight: ~90g
- Connector Type: Bare wire terminals with secure fasteners
- Operating Temperature: 0–50°C
- Warranty: 21 days (parts replacement for defects)
Delivery Options
Delivery Options
- Local delivery within Hong Kong and in-store pickup.
- Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.
- Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).
- Estimated delivery time: 1–3 business days after dispatch (Hong Kong).
- In-store pickup details (location and time) will be confirmed by email or phone message.
- Delivery times are estimates and may be affected by weather or unforeseen circumstances.
FAQ Section
FAQ Section
Q1: Can I use this motor with higher voltages (6V or 9V)?
A: Not recommended for continuous operation. While the motor may spin briefly at 6V, sustained higher voltage accelerates brush wear and shortens motor lifespan. For experimental testing only, exceed 3V by no more than 25% for brief periods. Always use a resistor or voltage regulator to manage current safely.
Q2: Is soldering or complex wiring required?
A: No. The kit arrives fully assembled with pre-soldered connections in the battery holder and motor leads. Simply insert AA batteries into the holder, flip the switch, and the motor runs. Perfect for classrooms where soldering equipment isn't available.
Q3: What's the expected lifespan of the motor?
A: Under normal conditions (3–5 minutes of operation daily), the motor lasts 50–100 operating hours. Brush wear is the primary limiting factor. For longer lifespan, allow cooling periods between sessions and maintain voltage at the rated 3V. Worn brushes may be replaced by a technician if needed.
Target Users / Applications
Target Users / Applications
Primary Audience:
- Elementary and secondary school teachers demonstrating electromagnetic principles
- University physics and engineering students learning motor design
- Hobbyists and makers building robotics projects (wheeled vehicles, rotating displays)
- DIY enthusiasts prototyping Arduino/Raspberry Pi automation systems
Key Applications:
- Science fair projects on renewable energy and electromagnetism
- Educational demonstrations of Faraday's law and motor theory
- Robotics club projects (simple wheeled robots, propeller-driven models)
- Hobby electronics: fans, model cars, conveyor systems
- Classroom laboratories for hands-on learning of circuit theory
