High Performance: Equipped with a Cortex M4 core control chip and a 168M main frequency microprocessor, this offline control board supports memory cards and USB storage, and can be expanded with WiFi, power-off, material break detection switches, and external card slots. 3.5-inch Touchscreen: This controller's clear display and intuitive interface simplify user management and provide easy access to essential functions. Fast Engraving Speed: Thanks to high-speed IO flipping and powerful timers in the main control module, the MKSDLC32 achieves a high engraving speed of up to 8000 mm per minute. High Accuracy: The touchscreen is highly compatible with the machine control unit, enabling precise printing operations and stable product output. A4988 Stepper Motor Driver: The A4988 is a complete micro-stepping motor driver with a built-in converter, capable of driving bipolar stepper motors in full, half, 1/4, 1/8, and 1/16 steps, with an output drive capacity of up to 35V and 2A.