Daily Archives: July 14, 2015

Nice build to convert old CDROM drives into a laser engraver

Posted on July 14, 2015 by robertwilkie

I have seen these builds before, but not as nice looking as this one.  All stuff you print out for the build too. http://www.3ders.org/articles/20150709-thingiverse-user-creates-an-amazing-3d-printed-photon-laser-engraver.html

Posted in Cheap, CNC/3D-printing | Comments Off on Nice build to convert old CDROM drives into a laser engraver

OK going to do this too

Posted on July 14, 2015 by robertwilkie

Nice hack where the author adds tie downs to his car via old straps and bolting them into the pre-existing bolts under the hood and other spots.  Guess what I am going to do to my car. http://hackaday.com/2015/07/12/adding-tie-down-points-to-almost-any-car/

Posted in Cheap, Misc-Life | Comments Off on OK going to do this too

Make a copy of a key with a gift card and a handle

Posted on July 14, 2015 by robertwilkie

Basically you do a transfer of the key pattern with soot from the candle on the key, and cut out the shape on the card and use a screwdriver to turn it in the lock. http://www.instructables.com/id/How-to-open-a-lock-HACK-PLASTIC-CARD-/

Posted in Security | Comments Off on Make a copy of a key with a gift card and a handle

Interesting PC build for a gaming system

Posted on July 14, 2015 by robertwilkie

I was looking at building a new computer since the old one…is…well old.  Its a nice build and the most expensive bit is the video card ($200), so if I reuse case, and cheap out on the card for now, … Continue reading →

Posted in Misc-Life | Comments Off on Interesting PC build for a gaming system

Tutorial on the NRF24L01 2.4 Ghz transmitter

Posted on July 14, 2015 by robertwilkie

I wanted to bookmark this write-up cause these boards are cheap, and a good way to add wireless comm’s to an arduino project.  BUT…not alot of good info out there about them. http://www.instructables.com/id/Wireless-Remote-Using-24-Ghz-NRF24L01-Simple-Tutor/

Posted in Arduino, Misc-Life, sensors | Comments Off on Tutorial on the NRF24L01 2.4 Ghz transmitter

Oh this is going on my todo list, pool pressure sensor

Posted on July 14, 2015 by robertwilkie

On of the many items I work on is automating my pool.  Right now everything is open loop, so I have no feedback on if anything is working or not.  Not so sure I would use zigbee for communication, but … Continue reading →

Posted in Arduino, Misc-Life | Comments Off on Oh this is going on my todo list, pool pressure sensor

Simple tutorial on controlling a DC motor with an arduino

Posted on July 14, 2015 by robertwilkie

Good write up, only thing it drives the motor one way only.  🙂 http://www.instructables.com/id/How-to-drive-a-DC-Motor-with-Transistor-Arduino-Tu/

Posted in Arduino, Teaching and Learning | Comments Off on Simple tutorial on controlling a DC motor with an arduino

Simple peg to make knitting paracord easier

Posted on July 14, 2015 by robertwilkie

So, print out your own peg holder and start making your own paracord necklaces. http://www.instructables.com/id/3D-Printed-Two-Peg-Spool-Knitting-The-Beginning/

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Use a bunch of PC Fans for custom forced ventilation

Posted on July 14, 2015 by robertwilkie

I have actually thought of doing something like this myself, but not as fancy.  The author did a really nice job on this and I like the blinds added to it as well.  I would build this too, just…not so … Continue reading →

Posted in Cheap, Misc-Life | Comments Off on Use a bunch of PC Fans for custom forced ventilation

Homemade clamps

Posted on July 14, 2015 by robertwilkie

Good write-up on a bunch of different ways to improvise a clamp to hold things together (Personally I liked the PVC pipe one). http://www.instructables.com/id/Improvised-woodworking-clamps/

Posted in Cheap, Tools | Comments Off on Homemade clamps