Witbot CNC Shield Expansion Board with drv8825 Stepper Motor Driver with Heat Sink for Arduino V3 Engrave
Product Description
Witbot CNC Shield Expansion Board with drv8825 Stepper Motor Driver with Heat Sink for Arduino V3 Engrave
- Latest CNC Shield Version 3.0 for Arduino
- GRBL 0.9 compatible (Open source firmware that runs on an UNO for Arduino that turns G-code commands into stepper signals)
- 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)
- Jumpers to set the Micro-Stepping for the stepper drivers. (Some drivers like the DRV8825 can do up to 1/32 micro-stepping )
- DRV8825 is upgrade of A4988, 4-layer PCB for improved heat dissipation and decrease chip resistance
CNC Shield Board:
1>PWM Spindle and direction pins
2>2 x End stops for each axis (6 in total)
3>Coolant enable
4>Uses removable A4988 or DRV8825 compatible stepper drivers
5>Compact design
6>Stepper Motors can be connected with 4 pin molex connectors or soldered in place
7>Runs on 12-36V DC. (At the moment only the DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)
8>Please note that this is an unassembled kit and Basic soldering skills are needed
DRV8825 Stepper Motor Driver:
1)*Suitable for driving below 8.2V ~ 45V 2.5A stepper motorÂ
2)*Six different stepping resolutions: full, half, 1 / 4,1 / 8,1 / 16,1 / 32.Â
3)*A simple steps and direction control interface.Â
4)*Adjustable potentiometer can adjust the maximum output current, resulting in higher step rate.Â
5)*Automatic current decay mode detection / selection.Â
6)*Thermal shutdown circuit, undervoltage lockout, crossover current protection.Â
7)*Ground short-circuit protection and load short-circuit protection.Â
8)*DRV8825:20*15*11mm/approx 0.79*0.59*0.43inch(L-W-H) .Â
9)*Heat Sink: 9*9*5mm/approx 0.35*0.35*0.2inch(L-W-H).Â
10)*Net weight: 4g/approx 0.008oz./pcs.
Package:
1 x CNC Shield Board
4 x DRV8825 Stepper Motor Driver
4 x Mini Heat Sink
Technical Specifications
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