Shenzhen EF ELECFREAKS High-Speed Building Blocks Motor - DC Motor Module for micro:bit

The Shenzhen EF ELECFREAKS High-Speed Building Blocks Motor is a brushed DC motor module designed for STEM education and DIY robotics. It integrates a gearbox and driver chip, offering PWM speed and direction control. Compatible with micro:bit and LEGO-style building blocks, this motor is ideal for creating smart cars, robotic arms, and other interactive projects.

Advantages

Easy to integrate with standard building blocks and micro:bit via 3-pin GVS interface. Built-in overcurrent protection ensures safe operation. The compact ABS plastic housing is durable and lightweight.

Suitable for

• STEM education kits
• DIY robotics projects
• Smart car builds
• micro:bit expansions

Key specifications

• Motor Type: Brushed DC Motor with Gearbox
• Operating Voltage: 3.3V - 5V DC
• Control Interface: 3-pin GVS (Ground, VCC, Signal)
• Control Method: Pulse Width Modulation (PWM)
• Speed Control: Yes, via PWM
• Direction Control: Reversible
• Rated Current: <1A (typically 0.5A continuous)
• No-load Speed (Internal Motor): Approx. 10,000 RPM
• Output Shaft Speed: Approx. 130 RPM
• Gear Ratio: Integrated
• Compatibility: micro:bit, LEGO-compatible building blocks
• Mounting: Standard building block holes (e.g., 5mm diameter, 16mm spacing)
• Integrated Driver Chip: Yes (e.g., DRV8833)
• Protection Features: Overcurrent Protection
• Housing Material: ABS Plastic, PCB
• Connector Type: DuPont 3-pin header
• Application: Robotics, STEM Education, DIY Projects, Smart Cars
• Color: Yellow/Black
• Operating Temperature: -10°C to 50°C

Recommendations

For best performance, use with a 3.3V or 5V power supply and a micro:bit board. Ensure proper wiring of GVS pins to avoid damage.