Features
- Compact size: 135 x 75 mm
- Full integrated solution on one board
- Arduino 2560-R3 compatible (works with RepRap firmware like Marlin, Repetier or Sprinter)
- ATmega16U2 for high speed serial USB communication (up to 2MBit)
- Universal power supply
- Supply with 12V - 35V for stepper motors and headbed
- Integrated DC/DC converter for supplying
- ATmega2560 with 5V
- Fans with 12V
- Selection of the power supply for the electronics (ATmega) over USB or DC/DC converter
- LCD Display connector
- LCD Smart Controller (20 character x 4 lines display)
- Full Graphic Smart Controller (128x64 dot matrix)
- SD card reader
- up to 6 stepper motor drivers
- e.g. 3x Extruder
- or 2x Extruder and Z-axis dual driver
- ...
- 5x tempurator input (ADC) for thermistors
- e.g. 3x Exruder thermistor & 1x headbed thermistor & 1x chamber thermistor (for printer area housings)
- 5x PWM MOSFET outputs for controlling fans
- 1x PWM MOSFET output for controlling a headbed
- 6x end stop input with power supply
- Xmin / Xmax, Ymin / Ymax, Zmin / Zmax
- USB mini female connector and pin header
Setting of Microstepping
Underneath the stepper driver board are SMD switches for adjusting the micro stepping:
Setting for DRV8825 Driver
| 1 | 2 | 3 | Mode |
|---|---|---|---|
| 0 | 0 | 0 | Full step |
| 1 | 0 | 0 | Half step |
| 0 | 1 | 0 | 1/4 step |
| 1 | 1 | 0 | 1/8 step |
| 0 | 0 | 1 | 1/16 step |
| 1 | 0 | 1 | 1/32 step |
| 0 | 1 | 1 | 1/32 step |
| 1 | 1 | 1 | 1/32 step |
Setting for A4988 Sriver
| 1 | 2 | 3 | Mode |
|---|---|---|---|
| 0 | 0 | 0 | Full step |
| 1 | 0 | 0 | Half step |
| 0 | 1 | 0 | 1/4 step |
| 1 | 1 | 0 | 1/8 step |
| 1 | 1 | 1 | 1/16 step |