About this item

• 💎【CNC Shield V3 Engraving Machine Expansion Board】:Compatible A4988 or DRV8825 stepper drivers
• ⚡【Input Voltage】:12-36V DC
• 🥇Each road stepper motors only need two IO ports. In other words, six IO ports can be well managed three stepper motors. Very convenient to use.
• 🥈Stepper motor wiring as follows: 2A, 2B is a group (red, green), 1A, 1B is a group (blue, yellow), if want to change direction, can be change the position of one group , for example 2A, 2B mutually exchanged.
• 🥉GRBL 0.9 compatible. (Open source firmware that runs on an Arduino UNO that turns G-code commands into stepper signals)