4 AXIS USB CNC Offline Controller, Offline GRBL Control Module with 7inch IPS Touch Screen for grbl firmware CH340 chip 3018/3030/4030/4040/5040/6040/6050 CNC Router Machines
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30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
Only 9 left in stock, order soon!
Arrives
Jul 22 – Jul 24
Features
- Compatibility: Suitable for desktop CNC routers with GRBL firmware, CH340 communication chip, and a baud rate of 115200. Compatible with most desktop CNC routers machines, such as the 3018, 3030, 4030, 4040, 5040, 6040, and 6050 GRBL version CNC routers machines
- USB Communication: This offline controller communicates with the GRBL CNC control board via USB, instead of using an 8-pin or 10-pin cable, providing better compatibility and user experience
- 7-Inch Touch Screen: This offline controller features a 7-inch IPS touch screen with a resolution of 1024x600. The screen uses CTS, which responds faster than RTS. Compared to offline controllers with a 2.8-inch display, the display and operating area are increased by 150%, offering more responsive operation
- Advanced Features: Supports 4-axis control, tool path preview, custom macro buttons, parameter settings, tool path graph generation, spindle and probe parameter settings, manual data input, with options for controller storage and SD card storage. It covers nearly all the functions of computer CNC software, enabling offline control without the need for a computer
- Aluminum Shell and Accessories: The controller shell is made from CNC-machined aluminum alloy and includes a mounting bracket
- MicroSD card, SD card reader, Type-C cable, USB cable, installation tools, and accessories. The installation is convenient and user-friendly. Controller weight: 680 grams
Color: Black
Brand: NYMOLABS
Voltage: 5 Volts (DC)
Material: Aluminum
Display Type: Touchscreen
Manufacturer: Nymolabs
Charging Port Type: USB Type C
Package Dimensions: 9.84 x 6.89 x 3.86 inches
Item Weight: 2.73 pounds
Country of Origin: China
Item model number: OC-7T-4TH
Batteries required: No
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Jul 22 – Jul 24
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
This offline controller impressed me the second I opened the box. The enclosure is made out of metal .... I was expecting the usual plastic. The screen is just as sensitive as my smartphone and very responsive. The display is very crisp and sharp. Love the layout of the different screens and ease of use. Running mid to large scale CNC machines in a shop I find the DRO, feed, speed controls on the display to play just like the big machines. This controller gives you absolute full control of what you may want to do without compromise. No desire to run the machines off of my laptop in a dirty environment (dust/chips/fumes) with this I have no need to run software control. I have many offline controllers and I have to say this one is the best and a new benchmark other companies need to strive for. It can however be picky about what GRBL boards it connects to. It works for one of my machines but not the other. Still working out how to update the firmware on the one that will not connect. I do wish NymoLabs offered a 4 axis board to go along with this offline controller.
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Reviewed in the United States on April 24, 2025 by Rob
I am using this Nymolabs controller on a Genmitsu 4040 Pro and it was well worth the investment. For the most part it was “plug and play” with the Genmitsu CNC. The ability to adjust the feed rate on a program file is the main reason I purchased it. The custom macros I was able to create are very useful. The Nymolabs customer support has been great. I highly recommend this controller.
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Reviewed in the United States on May 20, 2025 by Kurt L.
The media could not be loaded. Integrating this offline controller with my WolfPawn CNC has streamlined my process at the machine. The single USB connection was a straightforward replacement for the multi pin cable on my previous unit. The large seven inch touch screen is the most notable improvement, offering a clear and responsive interface. I was able to navigate the menus and load a file from the SD card without needing to consult the manual, which speaks to the logical layout of the software. The controller's functions have proven very useful. Before running a complex job, I used the tool path preview on the screen and noticed one of my tool settings was incorrect, allowing me to fix the G code before ruining a nice piece of wood. The ability to create custom macro buttons for repeated tasks, like my standard probing cycle, has also been a great convenience. The aluminum casing gives the unit a solid feel. The mounting bracket doesn't work with the WolfPawn CNC, so I left it off and keep the controller on the table top. It's a nice upgrade from my previous controller.
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Reviewed in the United States on June 8, 2025 by Fox Workshop Fox Workshop
I had several issues with this product. When I first got it I plugged it into a USB-C power supply. Nothing happened. I checked the port, it was good. It worked with all my other USB-C devices. I figured it was a DOA product and left it for a later date. Then I accidentally plugged it into a different USB-C power supply. It fired up! I checked everything again, and sure enough, it refused to work with one of my power supplies while every other device had no problems. Next I tried connecting to a GRBL controller I had. No go. I tried several times, swapping things around. No luck. Tried another controller. Same thing. I read through the manual. It requires not only the correct baud rate, but insists on a specific chip for serial port conversion (CE340). At that point I was done. It needs a specific USB-C power supply (didn't work with two of mine), it needs a specific chip for serial communications. As an electronics design engineer, I find this unacceptable. We have standards so things are compatible. Making products that are that fussy is not what I want. I gave it three stars because it is primarily designed to work with their own equipment, but took two off because they also say it works with other GRBL hardware. My issue is that I do not want to purchase something and then pull apart my CNC to see if it is compatible with the product I purchased. That is just nonsense. Make it work with any USB-C power supply (it is a standard), make it work with any USB port and not require the purchaser to look at to the chip level of their hardware to see if it will work with it. Imagine buying a car radio where the instructions state "works only with xxxx chip in your engine management system".
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Reviewed in the United States on June 5, 2025 by Ravanja