New grams Dual Stepper Step motor driver shield for arduino IO PWM CNC 3.3v 5v with A3967 chips

描述

Product Description : 1. support 2 channle step motor driver for CNC 2-axis 2. 3.3v & 5V 3.with brick interface 4. drive current can be adjusted by different potentionmeter Package Include : 1×Dual Step motor driver shield for arduino