【UNO R3 Improvement Borad】 UNO is a Simple I/O platform based on open source code, and has a Processing/Wiring development environment similar to Java and C language, which is easy to understand, allowing you to quickly use UNC to make interesting things
【CNC Shield Board V3 Expansion Board】This expansion board can be used as a drive expansion board for engraving machines, 3D printers, etc.
【DRV8825 Stepper Motor Driver】Six different stepping modes: full, half, 1/4, 1/8, 1/16, 1/32; The adjustable potentiometer can adjust the maximum current output, so as to obtain a higher step rate.
【Mechanical Switches with 3-pin Cable】Under normal circumstances, the system needs to be equipped with at least 3 mechanical switches;easy to install, more common styles.