Description
The same as the smoothie board 5XC with 1 A voltage regulator on board
The New ! 1.1 version
– upgraded stepper drivers to A5984 with 32x microstepping
-added a solder jumper (JP36) for MS3 on new A5984 drivers
– changed the current limiting resistors (R78, R65-R68, R84-R85) for VBB powered LEDs to 8.2K
– added an electrolytic capacitor (C84) to the 5V power system
– moved the electrolytic capacitor (C63) for the 5x mosfet set and increased its footprint size
– added flyback diodes (D7-D9) to small mosfet outputs to protect from inductive loads like small fans
SmoothieBoard is an Open Source Hardware CNC controller board based on the LPC 1769 or LPC1768 Cortex-M3 chip.
BASIC features
- All-in-one, ready to use controller board
- 5 stepper motors drivers, 1/32 microstepping
- 3 small MOSFETS
- 3 big MOSFETS
- 4 thermistor inputs
- 6 end-of-course endstop inputs
- ethernet connector
Avantages
- 32bits ARM-Cortex M3 microcontroller, running at 120Mhz
- Integrated 4GB micro-SD card
- Easy configuration by editing a file on the micro-SD card
- Ethernet support, presenting a Web interface, and a Telnet interface
- Direct access to the micro-SD card when connected to a computer via USB
- Concurrent acces via serial using host software, on the same USB cable
- Digital current control of stepper motor drivers
- More precise and higher speed movement
- More correct and longer-ahead prediction of acceleration and movement
- Multiple arm solutions ( cartesian, delta, h-bot, etc … )
- Hostless usage possible with a control panel
- Good heatsinking, allowing full use of the stepper drivers potential
- Many configuration options
- SPI, I2C and serial port, free GPIO pins available for extension
- Can be easily interfaced with external drivers for use with more powerful stepper motors
- Can control a laser tube for laser cutting
- Can control a spindle and other accesories for a CNC mill.
- Very active community and development
- Rich documentation ( see bellow )
- Modular firmware making it easier to add features and to integrate into new machine designs
- Provided pre-flashed and ready to use
- RepRap compatible
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