├── 1.png
├── LICENSE
├── README.md
├── untitled.brd
└── untitled.sch
/1.png:
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https://raw.githubusercontent.com/james-martinez/grbl-cnc-arduino-nano-board/397b5acbd1cd1115d029534ee14ad88c744be1ac/1.png
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/LICENSE:
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/README.md:
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1 | A PCB layout and schematic.
2 |
3 | Made with Eagle PCB 6.1
4 |
5 | 
6 |
7 | ##Requirements
8 | * an arduino nano w atmega328p loaded with grbl http://github.com/grbl/grbl
9 | * at least 1 Pololu A4988 Stepper motor driver
10 |
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241 | >NAME
242 | >VALUE
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288 | >NAME
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296 | This footprint was designed to help hold the alignment of a through-hole component (i.e. 6-pin header) while soldering it into place.
297 | You may notice that each hole has been shifted either up or down by 0.005 of an inch from it's more standard position (which is a perfectly straight line).
298 | This slight alteration caused the pins (the squares in the middle) to touch the edges of the holes. Because they are alternating, it causes a "brace"
299 | to hold the component in place. 0.005 has proven to be the perfect amount of "off-center" position when using our standard breakaway headers.
300 | Although looks a little odd when you look at the bare footprint, once you have a header in there, the alteration is very hard to notice. Also,
301 | if you push a header all the way into place, it is covered up entirely on the bottom side. This idea of altering the position of holes to aid alignment
302 | will be further integrated into the Sparkfun Library for other footprints. It can help hold any component with 3 or more connection pins.
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363 | <b>EAGLE Design Rules</b>
364 | <p>
365 | Die Standard-Design-Rules sind so gewählt, dass sie für
366 | die meisten Anwendungen passen. Sollte ihre Platine
367 | besondere Anforderungen haben, treffen Sie die erforderlichen
368 | Einstellungen hier und speichern die Design Rules unter
369 | einem neuen Namen ab.
370 | <b>EAGLE Design Rules</b>
371 | <p>
372 | The default Design Rules have been set to cover
373 | a wide range of applications. Your particular design
374 | may have different requirements, so please make the
375 | necessary adjustments and save your customized
376 | design rules under a new name.
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