Monthly Archives: October 2015

CNC Machine – Part 5: First Test

This weekend I finished wiring up the CNC machine and was able to get a first test going. The limit switches aren't hooked up yet - I was getting some noise on those lines (they are unshielded, pretty long, and run right near the stepper motor cables), and was getting a lot of "false positive" limit alarms. So I've got to be extra careful until they are fixed - but I couldn't resist trying to make something. Right now I'm really working in 2D - I'm just using the same software workflow I use for the laser engraver. But next weekend I hope to start messing around with some other CAD/CAM software to try something more substantial!

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Minecraft Nightlight

I built a pair of Minecraft block night lights - one for Sean, and one for my nephew Ryan. It's modeled on an ore block, an the colored sections that would determine what type of ore it is are cut out and filled with frosted plexiglass. A set of remote-controlled under-cabinet lights are mounted inside, and all of the different colors can simulate all the types of Minecraft ore. As a nightlight it's a little too bright for sleeping, but the remote has a brightness setting that lets you throttle it down. I got the idea from this site.

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CNC Machine – Part 4

I didn't get as far this weekend as I had hoped too - I've got most things wired up, but I still need to make patch cables for the motors and limit switches. The Arduino is programmed and I tested the spindle on/off control by plugging a fan into the relay-controlled outlet. So probably only a couple more hours of work before I can test that each of the axes moves. After that it's just a little axis tuning, and getting my software workflow figured out.

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Carter’s 9th Birthday Party

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I Feel Like I’m Being Watched…

Just a bit of whimsy - we stuck some giant googly eyes on the oil tank in the basement!

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