Category Archives: Uncategorized

Opensource POS (point of sale) systems

I didn’t realize how many there are now.  POS can be a very lucrative consulting area.  Most of the stuff I have seen is proprietary and expensive.  Apparently several companies have opensource versions you can now use instead. https://opensource.com/article/17/1/open-source-point-sale-system a … Continue reading

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Building another EMP from a bug zapper

Bug zappers seem to be popular for EMP based builds.  Here is another good writeup on one. http://www.instructables.com/id/How-to-Make-an-EMP-Jammer/?ALLSTEPS

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Looks like an update for the Magic Mirror

Looks like the author has been making updates to it. Building A Raspberry Pi powered Magic Mirror

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Nice jig for routers to make circles

Nice jig for a router to make circles.  What I like about this one is you can replace the “bar” with longer/shorter ones if you need bigger/smaller circles.  This beats past ones of these jigs where you need a big … Continue reading

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Build yourself a simple trailer light tester

Yes I know you can get a tester for $5, but this one is stuck to the rear window so you can see it while in the car.  Only thing I would do differently is to have a bypass on … Continue reading

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Xerox a buy at 9?

Barclays is putting Xerox a buy at $9.  I wonder if it will go down to that level. http://www.dakotafinancialnews.com/barclays-cuts-xerox-corp-price-target-to-9-00-xrx/585844/

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A tape dispensing tube maker

This is cool, the author build a tape dispenser that makes tubes from the tape and cuts them so you can build prototypes (or I was thinking kid forts).  I can’t figure out what he is using for “tape” thought. … Continue reading

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I like this door shelf system better

This one looks nicer since the “shelf” part can be seen on the outside.  This would be nice on a closet door.  I also like how the shelf system sticks out a little bit from the door with quarter round.  … Continue reading

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Nice review on building the atiny can bot

The author did a few things different from the original build, such as using a digispark instead of a basic Atiny.  It sounds like its a fun build and worth printing out and trying with kids. http://letsmakerobots.com/robot/project/my-take-attiny-can-bot Get the files … Continue reading

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Convert a USB card charger to a variable voltage supply

This is one way to make a cheap DC/DC variable voltage supply.  Its worth watching (not too many mods you need to do).  Author does a good job pointing out that you want to check the caps being used that … Continue reading

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