PC & Video Games
DIY accessories Step Gear 10BY Micro Stepper Gear electronic starter, GM1024DJ Stepper electronic starter 2-Phase 4-Wire electronic starter DC 5V electronic starter, DIY Toy electronic starter Slider
Voltage: DC5V Input stepper electronic starter step angle: 18°, Phase resistance: 39 ohms Wiring: Red A- White A+ Black B- Brown B+ Precision design ensures high accuracy and stable running. Small friction, low noise, little heat production.
https://www.bizrate.co.uk/pc_videogames/diy-accessories-step-gear-10by-oid31169303143.html