15BY Mini 15mm 2-Phase Stepper Motor Linear Screw Shaft & Gear DIY
15BY Mini 15mm 2-Phase Stepper Motor Linear Screw Shaft & Gear DIY
15BY Mini 15mm 2-Phase 4-Wire Stepper Motor with Linear Screw Shaft & 13-Tooth Gear
Take your DIY electronics and robotics projects to the next level with this compact 15BY Mini Stepper Motor. Measuring just 15mm, this precision two-phase, four-wire stepping motor is engineered for applications where space is tight but accuracy is paramount — perfect for DIY camera sliders, monitor positioning systems, robotic arms, CNC mechanisms, and more.
Key Specifications
- Motor Type: 2-Phase, 4-Wire Stepping Motor (requires external driver)
- Motor Diameter: 15mm (15BY series)
- Motor Weight: Approx. 14g
- Lead Wire Length: Approx. 60mm
- Phase Resistance: Approx. 9.6Ω
- Short-Circuit Current: 0.49A
- Speed Ratio: 1:9.5
- Operating Voltage: Low voltage (below 50VAC or 75VDC)
- Gear: 13-Teeth Plastic Gear included
- Includes: Linear screw shaft rod block
- Battery: Not included
- Wireless: Not included
Why Choose This Stepper Motor?
- 🔧 Ultra-Compact Design: At only 15mm, it fits into tight enclosures and miniature builds without sacrificing rotational accuracy.
- ⚙️ Linear Screw Shaft: Converts rotary motion to precise linear movement — ideal for camera focus systems, monitor mounts, and automated sliders.
- 🎯 Precise Stepping Control: Two-phase, four-wire design ensures smooth, repeatable step positioning for demanding DIY and prototype applications.
- 🏗️ Versatile DIY Use: Compatible with popular microcontroller platforms and stepper driver boards (external driver required).
- ⚡ Low Voltage Operation: Safe for use in low-voltage electronics projects (below 50VAC / 75VDC).
Ideal Applications
- DIY camera slider and auto-focus systems
- Monitor and lens positioning mechanisms
- Miniature CNC machines and plotters
- Robotic joints and actuators
- 3D printer Z-axis or extruder drives
- Automated lens or mirror adjustment systems
Made in Mainland China.
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Frequently Asked Questions
Q: Does the 15BY mini stepper motor require an external driver board?
A: Yes, this 2-phase 4-wire stepper motor requires an external stepper motor driver board to operate. It is not included in the package. Compatible driver modules are widely available for common microcontroller platforms.
Q: What is the linear screw shaft used for in this stepper motor kit?
A: The linear screw shaft rod block converts the rotary motion of the stepper motor into precise linear movement. This makes it especially useful for DIY camera focus systems, monitor positioning, lens adjustment mechanisms, and other projects requiring accurate back-and-forth motion control.
Q: What voltage range is safe to use with this mini stepper motor?
A: This stepper motor is rated for low-voltage operation — below 50VAC or 75VDC. Always ensure your power supply and driver board are within these limits for safe and reliable operation.
Q: Is the 13-teeth plastic gear included with the motor?
A: Yes, the 13-teeth plastic gear is included with the motor package, along with the linear screw shaft rod block, making it ready for integration into your DIY build.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.