CNC Shield Board:
Version: 3.0
Color: Red
Size(L*W*H): 68 x 53 x 18 mm
Voltage: DC 12~36 V (At the moment only the DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)
Features:
1. Uses removable A4988 or DRV8825 compatible stepper drivers.
2. The extension board can be used for carving machine, 3 d printer driver expansion board
3. GRBL 0.8 compatible. (Open source firmware that runs on an Arduino-UNO that turns G-code commands into stepper signals)
4. PWM Spindle and direction pins,4-Axis support (X, Y, Z , A-Can duplicate X,Y,Z or do a full 4th axis with custom firmware using pins D12 and D13)
5. Compact design. Stepper Motors can be connected with 4 pin molex connectors or soldered in place.
6. Please note that this is an unassembled kit and Basic soldering skills are needed.
A4988 Stepper Motor Driver:
Color: Red
Size(L*W*H): 20 x 15 x 10 mm
Thermal shutdown circuitry: Yes
Crossover-current protection: Yes
Ground fault protection: Yes
Load short-circuit protection: Yes
Compatible logic supply: 3.3V and 5 V
Five selectable step modes: full, 1/2, 1/4, 1/8 and 1/16
Features:
1. Mix with slow current decay modes.
2. Internal UVLO and Low RDS (On) Output.
3. Automatic current decay mode detection/selection.
4. Synchronous rectification for low power dissipation.
5. Warning: Connecting or disconnecting a stepper motor while the driver is powered can destroy the driver.
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