Tag Archives: microstepping

CNC router goes xPRO with Atmel’s ATmega328

Spark Concepts has debuted the CNC xPRO on Kickstarter, a versatile platform powered by Atmel’s ATmega328 microcontroller (MCU).

The CNC xPRO can be used to drive:

  • Four-axis CNC Mill
  • Three-axis CNC Mill with dual drive motors
  • Laser cutter with XY, auto focus and rotary attachment
  • Plasma cutter
  • Pick and place for SMD components
  • Wireless robotics

The GRBL compatible CNC xPRO can be powered via an ATX PSU or a dedicated 12V/24V two wire power supply. The board is also capable of driving four motors with DRV8825 Stepper Drivers at 2.5A (peak) with 1.75A (RMS) and up to 1/32 microstepping.

“One driver is capable of cloning X,Y, or Z or being run as an independent axis, [with] hardware support offered for both USB and wireless operation (XBee, WiFly, or RN42-XV),” a Spark Concepts rep explained.

“In addition, there are 12V and 5V outputs for powering peripherals (fans, pumps, vacuums), [allowing Makers and engineers] to quickly connect Stepper Motors and limit switches with 3.5mm screw terminals.”

Meanwhile, an expansion port supports future upgrades, such as a handheld jog controller and integrated spindle speed control.

“The CNC xPRO ships fully assembled and ready to connect (except for those opting for the bare board). All you need to do is screw down your motor leads and limit switches, plug in your ATX supply (or 12V/24V supply) and computer. You can also add a kill, pause/stop, resume and abort switches,” the rep noted.

“To add Bluetooth wireless, simply plug the RN42-XV into the xPRO and pair it with your computers Bluetooth. When paired correctly, this creates a virtual serial port over Bluetooth linking the computer to the xPRO.”

Interested in learning more? You can check out the CNC xPRO on Kickstarter here.