🔴 Kuman CNC Shield Expansion Board V3.0 + Uno R3 Board + A4988 Stepper Motor Driver with Heatsink for Arduino Kits K75 (CNC Shield + Uno R3 + Stepper Motor) (K75-CNC-UK), Red Blue Review

after loading grbl in uno 3 out of 4 drivers work correctly with my linux system and three nema17 steppers. When trying to test the 4th driver and axis on win7, I noticed that I couldn't communicate with uno. Of course, when you load the CH341SER driver, Windows should recognize the uno USB chip. At the moment I don't have the tools to test this theory, but the intertubes say it works. Other than that, I had no problem recognizing Linux right off the bat. I used bCNC for testing with Linux and…

In short, this is a decent kit. The stepper motor controls aren't outstanding, but they work and the system is generally pin-compatible with GRBL. However, the reason it loses two stars is that the kit is incomplete. At the time of writing, the kit does not include the jumpers needed to set the microstepping modes under each stepper motor module. These are contacts "M1", "M2" and "M3". The end result is that if you don't connect to geared steppers, you lose resolution on the move (i.e. you get…

I'm in favor of buying Americans, but you can't compete with Chinese forced labor - this kit is just stolen at the price offered. Keep in mind that this "kit" contains only parts - don't expect much in terms of instructions or recommendations for use. But if you know what you're doing (or google it) and get it, then you simply can't buy these parts for less than what's on offer here. Of course, "Arduino" is a clone, but of decent quality, copying the original. R3 design that doesn't use the…

I just submitted it for testing, downloaded the grbl library and compiled it on the UNO board. I already built a GRBL for another CNC, changed the port to UNO and everything works! Works pretty decently, but the stepping frequency sounds a bit harsh, but it's an Arduino, I'm sure I can change the frequency somewhere. Update: A very important piece of information. Out of the box it will roughly work. The clunky low frequency operation of stepper motors I mentioned above. Here's how to fix it…

This is a fantastic product for quick proof of concept prototyping. I have not used this for CNC applications. This was my first experience with an Arduino. The documentation is available online. Gathering documentation takes more time than setting up and running. The CNC Shield comes with all the jumpers needed to set the stepping resolution. I'm using step mode so I don't need them. Programming is done in standard C, and the Arduino IDE includes many examples. I don't need libraries, but…