GRBLDuino Mega Shield V1

February 12, 2018 by

The GRBLDuino Mega Shield V1 is a 6 axis capable CNC controller shield for Arduino Mega systems running GRBL-Mega. Although the official release doesn’t support more than three axes, there are variants available supporting up to 6.

Shortly after starting the GRBLDuino Uno Shield, I came across some postings about the end of life for GRBL on the Arduino Uno since it is at maximum capacity. The next logical step was to move up to the Arduino Mega version as it had plenty of room for future expansion (and there are a few 6 axis branches out there).

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GRBLDuino Uno Shield V1 Assembly Guide

February 8, 2018 by

The GRBLDuino Uno Shield is easy to assemble with basic soldering skills. All parts are standard through hole components to make assembly easier and quicker. Assembly should take between 30 minutes to an hour for someone of moderate experience. These are for sale through a few outlets. The best price will be at the Eccentric Workshop store, but they are on Tindie and eBay.

Bill of Materials:

  • 1x GRBLDuino Uno Shield PCB
  • 15x Two position screw terminal blocks
  • 8x 1×8 female pin headers
  • 1x 1×3 male pin headers
  • 4x 1×4 male pin headers
  • 1x 1×6 male pin headers
  • 2x 1×8 male pin headers
  • 1x 1×10 male pin headers
  • 2x 2×4 male pin headers
  • 4x 2×3 male pin headers
  • 1x tactile switch
  • 1x 10k ohm resistor
  • 1x 680 ohm resistor network
  • 4x 150nF ceramic capacitors
  • 4x 100uF electrolytic capacitors (genuine Nichicon)
  • 12x short 2 pin jumper shunts
  • 3x long 2 pin jumper shunts
  • 12x short 2 pin jumper shunts
  • 3x long 2 pin jumper shunts

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