MKS DLC32 V2.1 – WiFi GRBL Control Board for Laser/CNC

Overview:
The MKS DLC32 V2.1 is a feature-rich control board designed for laser engravers and desktop CNC machines. It uses a 32-bit ESP32-WROOM module running at 240 MHz, includes integrated WiFi for web-based control, and supports offline operation with SD card or touchscreen input. The board is compatible with GRBL, LightBurn, and LaserGRBL software, enabling flexible control via PC, smartphone, or local interface. It supports high-speed engraving up to 8000 mm/min under the right setup. The board is often paired with a 3.5″ touch LCD interface (optional) for standalone operation.

Specifications:

• MCU: ESP32-WROOM-32U (32-bit)

• MCU Clock Speed: 240 MHz

• Flash Memory: 8 MB (8192 KB)

• RAM: ~520 KB

• Supply Voltage: 12V to 24V DC

• Maximum Engraving Speed: up to ~8000 mm/min (in ideal conditions)

• Supported Axes / Drives: Typically 3 axes (X, Y, Z) with compatible stepper drivers (A4988, DRV8825, TMC2208/2209, etc.)

• Interfaces: SD / microSD card for file storage, expansion ports for LCD screens, GPIOs for endstops, probe, laser / spindle, I2C, etc.

• Onboard WiFi: Yes — enables remote control via web interface

• Offline Capability: Yes — can run engraving jobs without PC

• Software Compatibility: GRBL-based tooling, LightBurn, LaserGRBL

• Dimensions: ~90 mm × 70 mm

• Compatibility: Mounting and board size aligned with MKS DLC designs

Applications:
Desktop laser engravers, small CNC routers, hobby engraving projects, offline control setups, web & app-based machine control, prototype machining, maker labs.