LUNYEE GRBL1.1 Controller CNC3018 3AXIS Driver Board Support Offline XYZ Limit Switch for CNC Router CNC Engraving Machine

Features:

▶GRBL 32-bit, stable performance, faster speed and better accuracy

▶Dual y-axis, all-round use, XYZ or XYY.

▶Stepper drive setup.

▶Integrated 3 A4988/8825 drivers, directly connect to the four-wire stepper motor.

▶Laser or spindle support.

▶Support 24V, 12V, 5V with TTL and without TTL laser.

▶Adjustable driver separation.

▶Supports xyz limit switch, probe interface.

▶Support external offline controller (optional).

▶Add Fan and Control Board Enclosure

Offline appearance update: acrylic shell is transparent, buttons are red and yellow.

4988 Driver Features

--Low RDS (on) output
--Automatic current decay mode detection/selection
--Mixed and slow current decay mode
--Low power dissipation synchronous rectification
--Internal UVLO
--Cross current protection
--3.3 and 5 V compatible logic power supplies
--Thermal shutdown circuit
--Ground short circuit protection
--Load short circuit protection
--Five optional step modes: Full, 1/2, 1/4, 1/8 and 1/16

DRV8825 Driver Features

--The maximum current is 2.5A.
--the highest support for 32 subdivisions.
--4 layer PCB board, better heat dissipation performance.
--the chip internal resistance is smaller, lower heat, better heat dissipation.
--Size: 1.5mmX2mm (same as 4988)
--Driven current: 2.5A
--Subdivision: 1, 1/2, 1/4, 1/8, 1/16, 1/32
--Manufacturing process: SMT placement machine manufacturing, non-manual welding, higher yield, more stable performance

1.8 inch offline

Y+Unlock
Y-return to zero
Z+Chinese and English switching
Can control four-axis XYZA axis
Supporting files: NC, NCC, TAP, TXT, Gcode, GCO, NL, CUT, CNC
File page turning: Short press X+/ X- on the File page
Built-in battery time adjustment
Free 128MB memory card
Support SD/TF memory card
Press Z+ for 5 seconds: Change the Language to English.
Press SMOD: return.
SD card: SD card reader is to write into the root directory G-code files