CNC Expansion Board:
- GRBL 0.9 compatible
- Runs on 12-36V DC
- 4-Axis support: X, Y, Z
- It can drive 4 stepper motors, and each stepper motor only needs 2 IO ports.
That is to say, 6 IO ports can manage 3 stepper motors very well, which is very convenient to use.
A4988 Stepper Motor Driver:
- Size: 20*15*11mm
- Heat Sink Size: 9*9*5mm
- Minimum operating voltage: 8V
- Maximum operating voltage: 35V
- Continuous current per phase: 1Av - Maximum current per phase: 2A
- Minimum logic voltage: 3V
- Maximum logic voltage: 5.5V
- Thermal shutdown circuitry
- Ground fault protection
- Load short-circuit protection
- Microstep resolutions: Full, 1/2, 1/4, 1/8 and 1/16
KeeYees Board:
- microcontroller
- Input voltage: 7-12V
- 5V Electric current: 500MA
- 3.3V Electric current: 50MA
- 14 Digital I/O Pins (6 PWM outputs)
- 8 Analog Inputs
- 32k Flash Memory
Package included:
1 x CNC Shield Board
1 x KeeYees Board
4 x A4988 Stepper Motor Driver with Heat Sink
1 x Female DC Power Cable
4 x Mechanical Switch Endstop
20 x 2.54mm Black Jumper Caps