Features • Compatible With 12V-30V Drive: Designed with a logic voltage of 5V, this board seamlessly supports a wide range of power supplies from 12V to 30V for versatile applications • Ideal For 42 Stepper Motors: This board is specifically tailored for 42 stepper motor drives, making it a practical choice for 3D printer DIY projects and enhancing your printing capabilities • Convenient Terminal Power Interface: Featuring a user-friendly terminal power interface, this board allows for easy and efficient connections to your drive power, simplifying setup and installation • Adjustable Onboard DIP Switch: Equipped with an onboard DIP switch, you can effortlessly adjust the drive subdivision, optimizing performance for high-efficiency in your projects • Versatile Compatibility With Modules: Fully compatible with popular modules like A4988 and DRV8825, this expansion board integrates smoothly with microcontroller platforms for enhanced functionality Features: 1、Compatible With 12V-30V Drive: Logic voltage of this driver expansion board is 5V, compatible with 12V-30V drive scheme 2、For 42 Stepper Motor Drive: Suitable for 42 stepper motor drive, 3D printer DIY, etc., very useful and practical 3、Terminal Power Interface: Come with terminal power interface, which is convenient to connect to the drive power 4、Onboard DIP switch Onboard DIP switch, which can easily adjust the drive subdivision, bring high efficiency 5、Applicable For A4988, DRV8825: Applicable modules for A4988, DRV8825, platform is microcontroller, very applicable Specification: Item Type: Driver Expansion Board Board Size: Approx. 43 x 4m / 1.69 x 1.69in Fixed: Approx. m / 0.12in Hole Distance: 1400x1400mil(approx. 35.56 x 35.56mm / 1.4 x 1.4in) Logic Voltage: 5V Input Voltage: 12-30V Interface: Direction, enable, speed Port: Digital Applicable Modules: A4988, DRV8825 Platform: MCU Package List: 1 x Driver Expansion Board Note: Rotate enable, direction and speed control interfaces are all led out. Package List 1 x Driver Expansion Board