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Monthly Archives: February 2015
Another garage door opener build, this time with motion and cameras
Another interesting garage door build, this time with alot of extra stuff to make sure the door is secure (motion sensor, camera. The author does a good job spelling out the build which will run you around $130 in parts. … Continue reading
Posted in RaspberryPi, robots, Tinkering
Comments Off on Another garage door opener build, this time with motion and cameras
So much for a Teachers Pet Student…
This build which looks like a combo from VEX, arduino, and other random parts, will erase a whiteboard for the teacher. Where was this when I was getting in trouble in school? http://www.instructables.com/id/Whiteboard-Erasing-Robot/?ALLSTEPS
Posted in robots, Teaching and Learning
Comments Off on So much for a Teachers Pet Student…
Arduino Basketball Shot Counter
This build is based on this one which was a bit more costly. I like this build cause I could build off of it to have something that keeps stats too. Oh an arduino is used to keep tabs on … Continue reading
Building a retro arcade with RPi
OK yes I know this has been done before. But the author did such a nice job on the instructions, I felt it should be highlighted. Also I never realized HOW MUCH MONEY MAME controllers and such cost. Even thru … Continue reading
Posted in Misc-Life, RaspberryPi
Comments Off on Building a retro arcade with RPi
Nice CNC build for bigger stuff
I like this build, and that the author uses OpenRail with V-bar, or T-bar. Its pretty straight forward build and incorporates some bits of Shapeoko too. My 2 cents….not sure if I would build this, its running the author around … Continue reading
Posted in CNC/3D-printing
Comments Off on Nice CNC build for bigger stuff
Halftone CNC
I have seen this in the past, where you use a CNC and a v-carve like bit to make halftone cutouts. But this time it looks like the author of drillpic did some major overhauls and improved the design alot. … Continue reading
Posted in CNC/3D-printing
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AES encryption on an ATiny
The author managed to get AES running on an ATiny for building a secure channel for a doorbell. This is neat and I am impressed that it was done (in assembly no less). http://hackaday.com/2015/02/20/aes-cmac-on-an-attiny85/
Make your own scrub stick from PVC pipe
I like this build. Instead of scrubbing your shower down just by a pad, the author makes a holder for the pad out of PVC so you can get more leverage out of it. http://www.instructables.com/id/PVC-Tiles-Clean-Pad/
Spin an old harddrive with a Soleniod
I got a kick out of this since it reminds me of steam power engines. The author basically re-uses most of the hardrive and just attaches a bar from the heads (motor driver) to the platters. http://hackaday.com/2015/02/21/spin-up-an-old-hard-drive-with-a-solenoid-motor/
Posted in Cheap, Misc-Life, Teaching and Learning
Comments Off on Spin an old harddrive with a Soleniod
OK I like this way to make transfers for copper clad boards
From the King of Random. He basically uses packing tape on paper to get the toner to tranfer over and then irons that onto the board. This looks like a good way to do this. And much easier than some … Continue reading