The is a popular GRBL-based controller often used for upgrading or building DIY CNC machines like the CNC 3018 . It provides a reliable interface for managing 3-axis motion and is frequently paired with offline controllers for computer-free operation. 1. Key Features & Specifications

Disconnect the USB from your PC before plugging in the handheld controller. 3018 500w spindle speed control with Annoy Tools Board

When using an offline controller, from the computer, as they typically cannot be used at the same time.

Features a dedicated port for an external offline controller.

Match the Enable (EN) pin on the driver with the EN pin on the board.