what limit switch will i need to use and what probe do they sell it with the plug already on the wires ?

I believe it's pin a1 and yes the one I bought had the plug. Although the one I bought is an odd size. ( 14.2 mm ) I ended up grinding it down to 14. If I would have known how simple they are I would have just made one. All you need is an alligator clip to ground out on a slightly spring loaded piece of metal with wires connecting the two.

Is this board compatible with Lightburn software?

Yes, the LightBurn version for GCode controllers will run on this board. I got the WOODPECKER CNC CAMXTOOL V3.4 and I’m running the current trial version (LightBurn V0.9.16) now and have found no problems. Note: the trial contains both g-code and DSP versions.

How are the limit pins configured? Will the board recognize the pins or will the board just notify the software and its up to the software to stop?

The function of the limit pins is to notify the kernel on the board that they have been activated or deactivated depending on the type of limit switch you are using. IE a Normally Opened or Normally Closed switch. I do know the GRBL 1.1f kernel that comes with the board detects the change on the pins. However, you still need to set the software to do what you want it to do when detecting the change. IE like having the homing setting set in the GRBL settings $24 - $27 are the settings you want to set for homing.

do you need other board like arduino to make this work? Does it comes with software?

Yes it comes with software and you don’t need anything else

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CNCTOPBAOS 3 Axis GRBL Controller Board CNC Engraving Machine Control Card | 24V DC Input, USB, PWM Spindle/Laser Control, E-Stop/Probe/Limit Ports Fits 3018-PRO CNC Router GRBL Engraver Milling Machine

CNCTOPBAOS 3 Axis GRBL Controller Board CNC Engraving Machine Control Card | 24V DC Input, USB, PWM Spindle/Laser Control, E-Stop/Probe/Limit Ports Fits 3018-PRO CNC Router GRBL Engraver Milling Machine

Product ID: 58354230

Details

Brand
CNCTOPBAOS
Color
Transparent
Item Weight
5 Ounces
Material
Plasti
Voltage
24 Volts

💻USB connectivity & GRBL 1.1f support

🔌24V DC power input

⚙️3-axis precision control

NT$2242

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Description

⚡ Elevate your CNC game with precision, power, and control—don’t get left behind!

POWER PACKED 24 V INPUT - Stable and efficient power delivery ensures smooth spindle and laser operation.
SEAMLESS 3 AXIS MASTERY - Effortlessly control XYZ stepper motors for ultra-precise engraving and milling.
UNIVERSAL COMPATIBILITY - Works flawlessly with popular CNC routers like 3018-PRO, 1610-PRO, and more—future-proof your machine.
SAFETY FIRST WITH E STOP - Integrated emergency stop and limit switch ports keep your workflow secure and interruption-free.
PLUG PLAY USB INTERFACE - Quick USB connection with CH340 driver compatibility for hassle-free setup.

The CNCTOPBAOS 3 Axis GRBL Controller Board is a robust CNC control card designed for 24V DC input systems, supporting USB connectivity and GRBL 1.1f firmware. It enables precise 3-axis stepper motor control, PWM spindle speed modulation, and includes essential safety features like emergency stop and limit switch ports. Compatible with popular CNC routers such as the 3018-PRO series, it’s ideal for professionals seeking reliable, customizable engraving and milling control.

Specifications

ASIN	B07B3RFNJ7
Best Sellers Rank	#103,991 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #16 in 3D Printer Controllers
Customer Reviews	4.3 4.3 out of 5 stars (286)
Included Components	GRBL control board with cable
Item Weight	5 ounces
Item model number	4V
Manufacturer	Changzhou Rattm Motor Co.,Ltd
Package Dimensions	5.71 x 4.33 x 3.39 inches

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NT$2242

Duties & taxes included

In stock

Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Taiwan.

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TrustScore 4.5 | 7,300+ reviews

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