South Korean Sexy Model Girl, Ryu Ji Hye 류지혜
South Korean Hot Model Girl, Ryu Ji Hye 류지혜Last Name : 류 (Ryu)
First Name : 지혜 (Ji Hye)
Measurement , 174cm / 49 Kg, 90/60/90
Birthday : 28 October 1989
Title : Racing Girls (RG)
수상 : 월드 슈퍼카 코리아 투어 신인상 강남글로웰상(2008)
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Advanced robotic arm control using Kinect
[Ryan Lloyd], [Sandeep Dhull], and [Ruben D'Sa] wrote in to share a robotics project they have been keeping busy with lately. The three University of Minnesota students are using a Kinect sensor to remotely control a robotic arm, but it’s not as simple as it sounds.
Using OpenNI alongside PrimeSense, the team started out by doing some simple skeleton tracking before working with their robotic arm. The arm has five degrees of freedom, making the task of controlling it a bit tricky. The robot has quite a few joints to play with, so the trio not only tracks shoulder, elbow, and wrist movements, but they also monitor the status of the user’s hand to actuate the robot’s gripper.
When everything was said and done, the results were pretty impressive as you can see in the video below, but the team definitely sees room for improvement. Using inverse kinematics, they plan on filtering out some of the joint tracking inaccuracies that occur when the shoulders are moved in a certain way. They also plan on using a robotic arm with even more degrees of freedom to see just how well their software can perform.
Be sure to check out their site to see more details and videos.
Miniature PC packs a big punch
We are always looking out for smaller yet capable computers for our projects, and this newest offering by [David Braben] is looking mighty nice. [David] is the head of a UK-based games studio, but has recently been focusing on bringing small, affordable PCs to classrooms around the world.
The computer, called Raspberry Pi, is about the size of your standard USB thumb drive and contains a 700 MHz ARM 11 processor as well as 128 MB of memory. It has an HDMI port which can display 1080p video on any compatible screen, along with a USB port for input peripherals. Mass storage is provided courtesy of an on-board SD card slot, and it looks like the ability to utilize add-on modules will be available as well.
There is sure to be no shortage of willing buyers if [David] is able to bring these computers to market within a reasonable timeframe. With a projected cost of about $25, this will certainly give the OLPC and others a run for their money.
Thanks to everyone who sent this story in… all of you. You can stop now… please. (don’t stop sending us tips, we’re just joking around)
Digital picture frame reverse engineering
A few months ago [Jason] got his hands on a free Coby DP700WD digital picture frame and thought it would be fun to hack. After realizing that the frame did not run any sort of Linux-based OS he figured his options were pretty limited, but he gave it a shot anyways.
The frame came with a set of built in images, and his goal was to swap them out for pictures of his own. He started by trying to read data from the frame’s serial flash chip, but found that the processor was preventing him from doing so. He de-soldered the chip from the frame, mounted it on a makeshift breakout board, and started reading up on SPI.
He was eventually able to read the device’s flash chip and swapped out the built-in images with his own. After a bit of trial and error, he was able to replace the frame’s boot screen with his own custom image as well.
If you are looking to do something similar, be sure to swing by his site – all of the tools and code he used to hack his frame are available for the taking.
Continue reading to see his modified picture frame in action.
Rebecca Black running accessory also promotes running for everyone within earshot
Last Friday, Friday we caught wind of [gvillenave]‘s running accessory inspired by Rebecca Black, and we we we so excited, we so excited to bring this to you on Saturday, which comes after Friday.
[gvillenave] came up with the idea of using a song on the annoyance level of “Friday” to encourage a runner into keeping up a good pace. The concept is simple: if the wearer is running fast, the song will speed up. If the wearer is slowing down, the song will slow down and extend the agony.
The build uses an Arduino and [ladyada]‘s wave shield coupled to an accelerometer. [gvillenave] included the code, and also wired up some LEDs to a pair of sunglasses that blink more often as the runner’s speed increases. The wave shield has a 3.5mm jack for headphones, but [gvillenave] graciously wired a speaker in, “so that you can annoy people around you, and not just yourself.” All this is packaged in a very nice 3D printed enclosure making for a great looking project.
There’s no word on the effectiveness of the negative reinforcement aspect of [gvillenave]‘s build, but we suspect it will help her get down to the bus stop a little faster every morning.
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