Features: Experience high performances motor control with TB67S109, utilizing advanced driving technology for precise Steppers motor management and Enhanceds accuracy. Featuring wide voltages ranges (8V to 45V), 1/32 microstepping, builts in overcurrent Protections, and low noise operation, this module ensures smooth motion performances. for electronics enthusiasts, engineers, designers, educational institutions, and manufacturers seekings efficient Steppers motor solution. for applications in robotics, 3D printers, machines, and automation equipment requiring precise positioning and movement control. with its easy to use interfaces, the TB67S109 seamlessly integrates with controllers, making it for various projects. Specifications: Materials: PCB Size:21x14mm/0.83x0.55inch Package Includes: 1PC TB67S109 Steppers Motor Driver note: Please allow 1-3mm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!