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1. GRBL 0.8 c compatible (open source firmware running on UNO that can convert g-code commands to step signals)
2. 4-axis support (X, Y, Z, a - can copy X, Y, Z or make a complete 4-axis custom firmware using pins D12 and D13)
3. Adopt removable Pololu A4988 compatible stepper driver. (A4988, DRV8825 and others)
4. Jumper to set microstepping for stepper driver. (Some drivers, like the DRV8825, can do 1/32 microsteps)
5. The stepper motor can be connected with a 4-pin Molex connector or soldered in place
6. Operates on 12-36V DC. (Currently only the Pololu DRV8825 driver can handle voltages up to 36V, so please consider the operating voltage when powering the board.)
7. Size: 26.5x8.5x6.5cm
8. Weight: 1350g
packing list:
-.CNC Shield V3.0 x 1
-.UNOR3 board x 1
-.USB cable x 1
-.A4988 driver red x 4
-.17HS4401S stepper motor x 4
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