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4-Laser output 2P/3P supports pwm TTL function.

3-Stepper motor driver: A4988 /Support stepper motor: 12V, maximum current of 2A recommended within 1.5A Support stepper motor 42, 57.

2-Input voltage: 12-36V Laser output: 12V 775 motor output 24V.

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1-Designed for 3 Axis CNC router 1610 2418 3018, Managed by Software 0.9J USB GRBL Controller.

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For bigger problem most likely noone will want to investigate these kind of problem unless there is critical mass of people with same issueДў.3-Axis GRBL USB Driver Controller Board DIY Engraver Control Board for CNC router CNC 3 with OffLine controller laserGRBL pcb pvb Milling machine, Wood Router Developers really responsive - i have managed to get answers and attention for moderately complex problems within one day. Needless to say that i screwed up tons of stock material?ДЎ. And web-browser is the only way to get it working, due to #2 you cannot use TTY and due to #1 you cannot send via TCP port.ДҐ. You want to check status of a job? You can open the browser, but you're skating on a thin ice. I figured out that chance of this is higher when web UI is connected, so the only way to get it working is to: open webui, quickly start gcode file, quickly close web browser tab. Very basic functionality may not work even from master branch, like i spent few days trying to figure out why spindle is not working. Needless to say there is no tools to debug this?ДЈ. At least i failed to get it working with j-cnc - the esp-32 board just crash after few attempts to connect with j-cnc. It's just 'this thing is not working' condition.Дў. I suspect it's a board, but i could be wrong as i don't have tools to investigate this. Wifi is working like a garbage, hard to tell if this is signal issue or the board itself. Support is provided via Slack (invite will be sent), the GitHub repo and email.ДЎ.

Will you be using the relay or PWM for your spindle?.

CNC DRIVER CONTROLLER DRIVERS

What motors drivers are you using TMC2130 or TMC5160?.

Are you using 4 axis XYZA or some other arrangement like XYYZ XXYZ, XYXX, XXYY?.

If you don't specify anything special, it will be programmed as 4 axis (XYZA) and PWM spindle. If you order the controller please answer these question with your order. See the Github repo for more information. both motor drivers and ESP32 are available from Amazon, eBay and AliExpress. If you do not order the ESP32 you must supply and program that yourself. You can order the board with or without a programmed ESP32. They are state of the art right now in terms of very low audible noise and performance. I wanted to bring the power and features of the Trinamic drivers to a Grbl_ESP32 CNC controller. Profits from these controllers help develop this project. I am the creator and lead developer of Grbl_ESP32. It is also compatible with with all Grbl USB/Serial port gcode senders. A machine can be fully controlled with a phone or web browser.

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The WiFi includes a web server with a full function gcode sender built in.

The ESP32 is very powerful and has built in WiFi and Bluetooth.

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This is a free and open source firmware that is actively being developed with new features. All design files, BOMs, etc are on this GitHub Repo.

Coolant signal output (for external relay, etc).

It requires tuning and configuration of the firmware to work. (Grbl_ESP32 has limited support for this.

Stall detection jumpers allow you to select if you use mechanical switches or the motor driver's stall detect for homing.

Servo connector for RC type brushless DC electronic speed controllers.

PWM for speed controlled spindles and lasers.

I recommend the TMS2130 or TMC5160 motor drivers. A few motor arrangement examples are (XYZA, XXYZ, XYYZ, XXYY, etc). This is a feature where the each side of the axis homes to square the axis. The dual motor axes can also do auto squaring. You can use them independently on a 4 axis (XYZA) machine or they can be joined in firmware to put (2) motors on any axis like a dual motor gantry. The (4) motors can be configured in many ways. See below for details on those motor drivers. You must supply the motor driver modules. There is an option to include a programmed ESP32. Settings and features are setup via firmware rather than pots or jumpers. These drivers run quiet, cool and have a lot of features.

It supports (4) Trinmaic SPI motors drivers, including the very strong (3.0A) TMC5160 drivers. This is a Grbl_ESP32 based CNC controller.

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