The CNC Motor Drive Expansion Shield is designed to interface stepper motor drivers with Arduino boards for CNC and motion control applications. It supports multiple stepper motor channels with dedicated direction and pulse signal control for precise positioning. The shield is built for stable operation and is fully compatible with standard Arduino headers and widely used driver modules such as A4988 and DRV8825. Its compact PCB layout ensures easy integration into embedded systems. Suitable for CNC machines, 3D printers, and automated positioning systems.