![]() There are many manufacturers of V3.51 CNC shields but the most popular ones are Elecrow, Protoneer, Ooznest, and Kuman. It is compatible with GRBL firmware version 0.9 and is quite easy to install and configure. You can even select various microstepping levels by changing the jumpers present on specific pins and it supports up to 1/32 microstepping.įor communication, it comes with I2C and UART ports that can connect directly to other circuit boards like Arduino. It can handle up to 2.6 A of current for each of the stepper motors that it controls and it can drive stepper motors with a voltage rating between 12V and 36V. It is designed to support A4988, DRV8825, or similar types of stepper motor drivers.Īdditionally, it has pins to connect up to six limit switches (two for each axis) and two pins to use any other device like a spindle (spindle control), Z-probe, E-stop, or coolant pump. ![]() You can attach up to four motor drivers to control up to four axes. The drivers are not soldered onto the board, instead, they connect using header pins, and hence the drivers can be easily swapped in case one goes bad. This also means you get to choose the driver as per your project requirements. These are available for most of the popular stepper drivers like A4988 and DRV8825. ![]() There is no integrated stepper driver on the board and you will have to attach stepper motor driver boards called stepstick drivers. It is a PCB designed to mount directly on top of an Arduino Uno or other Arduino boards with similar pinouts. This is the most common Arduino CNC Shield design and is a versatile tool.
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