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

Description

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CNC GRBL 4-Axis Stepper Motor Control Board For CNC Laser Engraver Cutter 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
Customer Service
1.Payment
We accept payment via Paypal only.
Payment must be made within 8 days, Non-payment may result in an UPI (Unpaid Item)
2.Delivery details
(1).Item are posted from China local by regular mail in 1 working day normally,
(2).Items are posted to the buyer's Paypal address, so please check details before making payment.
(3).Delivery usually takes about 10-20business days. However, please keep in mind that times there may be an unusual delay in delivery by your local post office or customs strict inspection, which are out of control
4).Please contact us if you are not receiving the item after the expected schedule and we will investigate it.
5). We are not responsible for any customs duty or import tax
3. Warranty
(1).12mouths MANUFACTURER's Warranty for the defective items.(excluding items damaged and/or misused after receipt)
(2).Please contact our customer services with
message before the item return.
4. After sale
(1).We really hope buyer contact us by choosing message topic “I have a question about using my item or I want to send the seller a message” before leaving neutral or negative feedback, opening case or request ,asking problem about shipping etc
(2).We feel well to hear message from you, do no hesitate to send message and we will answer you within 24 hours (weekend and vacation excluded).
Office Hour: Mon- Fri 9:30AM-6:00PM(GMT+8),
On Jun-11-21 at 20:06:08 PDT, seller added the following information: