R/C Car VR System
This home made VR R/C car is quit well done, it seem to be quite responsive. “A gyroscope is mount on the video headset. the movement of the head control the movement of the onboard cam”
Complex Hacks
Sony Hyper Dragging Desktop
Sony’s new invention. Drag&Drop anwhere you want. read more | digg story
Simmons Hall Two-Story LED Display
Using a PIC16F877A microcontroller and some high current electronics a grid of windows was turned into a huge LED display. Seems like students at MIT have lots of tech fun! “The Simmons LED Display is a home-made two-story high 6×6 array of windows outfitted with ultra-cool Luxeon LXHL-LR3C Royal Blue LEDs. It is located in the exercise room of the architecturally infamous Simmons Hall, a residence hall designed by
iButton Electronic Lock
This project uses a Dallas iButton to operate an electronic lock. Have a look at the full article for lots of detail and project source code to build your own. "This electronic lock can be used with any type of iButtons you may already have, since the only thing needed is the internal serial number, that’s different for every iButton. The command used to read the serial number is the
RFID Front Door Lock
The Digital Dawg Pound has a created a RFID Front Door Lock that uses inexpensive off the shelf electronics. There is a full listing of all the parts required on their site. “The project works as follows: When a card is placed in front of the RFID reader it outputs a TTL serial signal representing the card’s unique ID. This is sent to the ‘TTL serial to Ethernet server’ module,
Contour Crafting
Thanks to Nick Hardman for pointing out this site in the forum. Contour Crafting is working on some interesting machines that will someday automate home buildings. See some video simulations here. “Q:What will the buildings cost? A:If you were to have your clothes, shoes, or cars made manually you would have to pay 4-5 times more. These products are available at the current prices because they are made automatically.
How the Scuderi Air Hybrid Engine works
Andrew McCaskey from Slashdot Review posted an interesting video of a motor that could develop into a common method of increasing efficiency. “Scuderi’s cycle is much like the Miller cycle in that it attempts to delay the opening of the exhaust valve as much as possible to take full advantage of the expanding combustion gases. Traditionally, the Miller cycle -completely unrelated to Miller Time, by the way – uses