Feature: 1. Stable Connection: Equipped with a Type C interface for the USB cable, offering a more stable connection than traditional for Micro USB. Upgraded with for GRBL 1.1 firmware for enhanced performance and stability. 2. Offline Engraving Support: The control board supports our compatible offline engraving modules, allowing for firmware upgrades directly through offline modules. 3. Versatile Spindle Control: The main board supports PWM TTL sign control for the spindle, enabling adjustment within a range of 0 to 100 percent for accurate control over engraving depth. 4. Modular Design: Stepper motors feature over current safety and modular plug and play systems for easy replacement and maintenance. 5. Effortless Engraving: The compatible software allows for direct image loading to start engraving without the need for conversion and complicated settings. Specification: Item Type: Engraving Machine 3 Axes Control Board Material: ABS Voltage: 12V-36V Current: 0A-8A Drive: for 340 connecting to PC Compatible Software: for Candle 1.1.17 LaserGRBL Supported Systems: for Win7 to for Win11 Stepper Motor Driver: for 4988 Driver. Package List: 1 x Mainboard 1 x USB Cable