Overview CNC Shield V4
Its can be utilized as a drive expander board that can be used with engraving machines. It can also require Arduino NANO. There are three slots on the board to accommodate stepper motor drive module, which are able to drive three stepper motors. Additionally, each step motor needs only two IO ports, which is, six IO ports are sufficient handle three stepper motors and is very easy to make use of.
CNC Shield V4.0 has some GPIO of Arduino NANO, making it easy to connect other modules such as limit switches. Additionally, CNC Shield V4.0 also comes with an I2C interface. You can connect a LCD monitor that has I2C interface. I2C interface.The output voltage for CNC Shield V4.0 is DC 7.5V-12V Do not exceed than 12V.
Hardware installation
We use A4988 as the motor driver, A4988 support 1 segment, 1/2 segment, 1/4 segment, 1/8 segment, 1/16 segment. Each segment is defined through MS0, MS1, MS2 pin header. MS0, MS1, MS2 pin headers in the CNC Shield V4.0, cover the jumper cap with the pin header indicates high level. Do not cover the jumper cap as it indicates low level.
Each segment is defined according to the table below:
| MS1 | MS2 | MS3 | Microstep Resolution |
|---|---|---|---|
| Low | Low | Low | Full step |
| High | Low | Low | Half step |
| Low | High | Low | Quarter step |
| High | High | Low | Eighth step |
| High | High | High | Sixteenth step |
Package Include:
- 1* CNC Shield V4.0
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