Monthly Archives: January 2017

Add a Needle cutter to your CNC

Posted on January 13, 2017 by robertwilkie

Basically this is a CNC sewing machine.  The author added a motor that drops a rod up and down (the needle) really fast to cut foamboard.  Its a good idea thought you won’t get as nice of a cut as … Continue reading →

Posted in Cheap, CNC/3D-printing | Comments Off on Add a Needle cutter to your CNC

Another Foam Cutter, but this one has to one of the easier builds

Posted on January 13, 2017 by robertwilkie

All out of PVC pipe.  Oh and cheap too.  Not so sure I would do a battery operated cutter though… http://www.instructables.com/id/Hot-Wire-Foam-Cutter-Portable-Rechargable/

Posted in Cheap, Misc-Life, Tools | Comments Off on Another Foam Cutter, but this one has to one of the easier builds

Build your own cheap 12v battery charger

Posted on January 3, 2017 by robertwilkie

So you got one of those 12V batteries, and no charger.  Well either you can by one, or for a few bucks and an old laptop power supply, build your own. http://www.instructables.com/id/How-to-Make-12v-Battery-Charge/

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Nice design that alternates the LED lights to show different numbers

Posted on January 2, 2017 by robertwilkie

Pretty clever design.  The overlay of the numbers also gives it a nice ghost image effect.  Me…too much work (I’ll just get a pixel tube). Light Pipes and LEDs Team Up for a Modern Take on the Nixie Tube

Posted in Misc-Life | 5 Comments

Make a $5 POV sign

Posted on January 2, 2017 by robertwilkie

Now if he had used an ESP so it could be programmed wirelessly too…. Either way this is a pretty nifty build. http://www.makeuseof.com/tag/make-pov-led-air-writer/

Posted in Arduino, Cheap | Comments Off on Make a $5 POV sign