A4988 CNC Shield v3 for Arduino

Overview

This CNC shield software is designed to control a CNC or a 3D printer. It comes with 4 sockets A4988 stepper driver. This board has Arduino pin connections and pins for engine and other peripherals.

The expansion board can be used as a drive expansion board for engraving machines, 3D printers, etc. There are a total of 4 slots for stepper motor drive modules ( note that this board does not contain A4988 stepper motor drive modules, which can be purchased separately from our store ) capable of driving 4 -way not into the motor, stepper motor and each way takes only 2 Ge IO ports, that is, 6 Ge IO ports can be well managed 3 stepper motors, very convenient, farewell The traditional stepping motor is cumbersome to operate.

Specifications

• Motor Voltage: 8 V to 35 V
• Logic Circuits Voltage: 3 V to 5.5 V
• Current: 2 A (MAX)
• Five step resolutions: full, 1/2, 1/4, 1/8 and 1/16
• Protection: under-voltage, over-current and over-temperature

Note: When connecting the A4988 module, be careful not to insert it backwards. The wiring method of the stepper motor is: 2A, 2B are a group (red, green), 1A, 1B are a group (blue, yellow). If you want to change the direction, you can change the position of one group, such as 2A, swap with 2B.

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