GRBL CNC 4-Axis Stepper Motor Control Board For CNC Laser Cutter Engraver Router

Description

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CNC GRBL 4-Axis Stepper Motor Control Board For CNC Laser Cutter Engraver Router
Description
New GRBL 4Axis Stepper Motor Controller Control Board With Offline/300/500W Spindle USB Driver Board For CNC Engraver
Four-drive X/Y/Z/A four-axis work, support double Y-axis work
Optocoupler isolation, power supply isolation, stable signal transmission
High-precision stepper motor 16 subdivision drive control
Support external high-power drive
624V PWM spindle interface
Optional 3P/4P, 12V TTL/PWM laser control interface
Emergency stop, tool setting, continue, pause, limit switch, 24V power interface
Both the data transmission chip and the main control chip use an external crystal oscillator, the transmission operation is more stable
High-power MOSFET switch tube, high-power diode, maximum support 48V 500W motor
Fully surrounded by plastic shell protection
Tips:Does not support flashing firmware,This is the ATmega32A board, you need to use the AVR ISP downloader to flash the firmware, but our hardware circuit is knowledge-protected and cannot be made public. You can't guarantee that it can be used normally after you update the firmware.
Packing list:
1*GRBL 4 Axis Control board
1*USB cable
1*Shell
About us
1.Payment
We accept Paypal ONLY.
2.Shipping.
1).We ship to most of countries in the world. Item will be post to customer's ebay address within 1 working after payment arrive.
2).Item will be sent with tracking number when order value is over USD16. Or we'll ship order without tracking number.
3).Pls leave a note or send a message if any question.
3. Tax
Import duties, taxes and charges are not included in the item price or shipping and handling. These charges ore the buyer's responsibility.
4. Return
We understand that not every purchase is a good one for every custome
Please note that we only accept returns within 30 days after delivery.
a).If the item is defective/DOA (Dead on Arrival) we must be notified within 2 days of arrival, and a refund in full will be granted after item is sent back.
b).Returns after 30 days will not be accepted.
c).Please allow up to 3 business days for your item to be inspected and your return to be be processed.
5. Working Time
We work from Monday to Friday. We'll reply message within 24 hours during working time and 48 hours during vacation. We'll do best to solve problem, don't worry.
On Jul-09-21 at 13:38:10 PDT, seller added the following information: