Author Archives: robertwilkie

Watch Ads to get Credits to watch shows

Posted on March 4, 2013 by robertwilkie

Gee like this is new.  Basically you watch ads first, maybe answer a question or two to prove you are “real” and then you earn credits to watch shows for free.  My 2 cents, why not just build the commercials … Continue reading →

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Build your own DC adjustable power supply

Posted on March 4, 2013 by robertwilkie

Nice write-up on building one yourself.  This is a great circuit for say, controlling a motor.  BUT…my 2 cents, you can get one already made and looks nice for 2-5 dollars on email.  Free shipping.  Still nice idea and might … Continue reading →

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Cheaper multimedia center than RPi

Posted on March 4, 2013 by robertwilkie

I have heard about the MK806 Android TV stick in the past, but it just dawned on me, for $60 this might be cheaper solution than an RPi for a multimedia setup.  Why?  With the Raspberry Pi for $45 (after … Continue reading →

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Interesting “future” article about 3D printing

Posted on March 4, 2013 by robertwilkie

Funny article about where 3D printing will be in 5 years.  Sad part is there will be some true too the “stories”. http://www.wired.com/underwire/2013/03/alt-text-3-d-printed/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+wired%2Findex+%28Wired%3A+Top+Stories%29&utm_content=Google+Feedfetcher

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Amazing DIY in Mexico

Posted on March 3, 2013 by robertwilkie

This brings a whole new meaning to “Potato cannon”.  Apparently they built this rather large cannon with air compressor, PVc pipe, etc to shoot 12 KG of weed over the border fence.  And from the sounds of the article, this … Continue reading →

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How to not make a rail gun

Posted on March 3, 2013 by robertwilkie

Rail guns and neat, basically its a gun that shoots a piece of metal via magnets.  Problem is it requires ALOT of power.  Well this guy didn’t quite make it.  Its good video to watch to get an idea how … Continue reading →

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Make a Slingshot Nailgun

Posted on March 3, 2013 by robertwilkie

Interesting build that makes a nail gun slingshot. http://gizmodo.com/5973548/build-this-slingshot-nailgun-before-you-build-your-next-birdhouse

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SPI Driver for Raspberry Pi

Posted on March 3, 2013 by robertwilkie

SPI or Serial Peripheral Interface is a common interface for embedded devices.  The author writes up a nice tutorial for SPI and using RPi. http://louisthiery.com/spi-python-hardware-spi-for-raspi/

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Cool robot that moves and turns with 1 motor

Posted on March 1, 2013 by robertwilkie

Bit of an older article I stumbled on.  Its really a 2 motor robot, one that spins a wheel/weight and the other that tils it to turn.  Fun video to watch and its really fast. http://hackaday.com/2011/07/09/amazing-hemispherical-omnidirectional-gimbaled-wheel-robot/

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Old drunk guy defeats 2 police robots

Posted on March 1, 2013 by robertwilkie

Apparently some 60s old guy got loaded and was taking potshots outside his house.  Cops where called in and sent in one robot, which got shot up.  So they sent in the 2nd, bigger robot, which ended up the same … Continue reading →

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