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Dave Durant
716 followers -
Some people play hard-to-get. I play hard-to-want.
Some people play hard-to-get. I play hard-to-want.

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Heya G+. Long time no post.. I'm still around though. Bit of a rant here. Sorry.

Back before the 2012 elections here in the US, I posted something about how people should think for themselves more and sorta sanity-check what they think they're hearing politicians say. Basically, I think you should treat it ALL with equal skepticism, even the stuff coming from the side you've already selected.

So.. What am I babbling about now? Well, that post seems to get getting +1's from accounts that say things like the holocaust wasn't real or that people should avoid vaccinations because they cause autism or who think fluoride in the water is a plot against us all. The exact people I was calling out as ignorant sheep are clapping.

To all those people: please don't follow me here. Or anywhere. If you're thinking about +1'ing ANYTHING I have said, you have almost certainly missed the point.

It's NOT everybody else - you are the sheep. Get out more. Don't just listen to people who only tell you about who you should hate. Try to figure out what people you don't agree with are saying instead of only trying to "win" the argument.
The trick to not being a sheep isn't to shout at everybody else that they are the sheep, it's about thinking for yourself.

Again, sorry for the rant...
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Here's my K40 electronics. I've got an analog control panel and the pot goes to that 3-pin B/R/G connector, 2nd from the top on the PSU.

I was all ready to pull that connector and use the PWM cable to the C3D Mini instead but just now saw a comment from Ray saying "Take everything you read with a grain of salt, for example we no longer recommend replacing the pot."

Is that comment talking about this? Should I just not use the PWM cable for now or am I misreading things?

Thanks!
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Hi.

As I'm getting ready to install a C3D Mini on a K40, I'm thinking more and more that ethernet might be nice option.

Any cons to doing this?

I see 10 or so LAN8720 boards at Amazon, all about the same price. Anything I should look/look-out for here or are these things pretty much all the same?

I know it's just now mid-February but any info/news on the next batch of Minis? I feel like a kid before xmas here.

I've been reading a bit on what to do with that ground connector on the side of my K40. I'm in the US and a condo in an old factory-type place like 100 years old that was totally gutted & rebuilt maybe 12-13 years ago.

2 questions from somebody that really does not know electronics.

1: I'm nearly positive that the electrical here is all up to recent spec and that that 3rd prong on the cord will be grounded. Is there anything easy & safe that I can do to confirm this?

2: The back of the machine looks like it has 2 switched outlets. I'm guessing that when I power the machine on, these also get power. Both of these 2-prong plugs. Would it make sense to convert these to 3-prong plugs and tie the 3rd to the ground so everything is common? Possibly a stupid question - I really have no idea.

Thanks!

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Hi all. Total newbie here. Just ordered a K40 yesterday - xmas comes early!

I saw this over at Kickstarter but don't see much more info anywhere.

"Since most of the usable pins of the LPC chip has been broken out on the Re-ARM, you can use it for other purposes. Like a custom shield to upgrade the K40 Laser to smoothie and control it using LaserWeb by Peter van der Walt. How about a CNC shield that uses external drivers? You can create your own shields to fit your motion control needs.

K40 is a low cost(< $400) Laser engraver that can be modified to perform like more expensive machines by using Smoothieware and Laserweb. The Re-ARM plus the K40 shield allows an easy upgrade. There is an active G+ community dedicated to K40 Laser modifications that can be found (link). "

Anybody have thoughts on this new controller from kickstarter or info on where I can find a "K40 shield"?

Thanks!

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Genius!
Bacon-Wrapped Egg Breakfast Bites: Cook them ahead and skip the dirty dishes in the morning.
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Mmm... Fresh tofu appetizer. And by fresh, they mean it still cooking..
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Mmnnmm.. Special new years feasting..
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1/9/16
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