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Registered Member #3888
Joined: Sun May 15 2011, 09:50PM
Location: Erie, PA
Posts: 649
That SLAM video looks like it's creating a minecraft level. anyways, what's the range on those sonar sensors? "altitude" detection isn't that impressive when it's only 1.5ft off the ground. Have they tried using only sonar to map out the environment (yes, like a bat) rather than hacking the kinect? sorry if those are dumb questions, I haven't been following the uav developments for a few months because they always get me stuck on youtube for hours.
Registered Member #3900
Joined: Thu May 19 2011, 08:28PM
Location:
Posts: 600
there is an arduino usb host shild if that helps... http://www.sparkfun.com/products/9947 if you cant directly use the arduino, this thing is controlled via spi. you could of course reverse engeneer it too.
Registered Member #2431
Joined: Tue Oct 13 2009, 09:47PM
Location: Chico, CA. USA
Posts: 5639
ben123324 wrote ...
there is an arduino usb host shild if that helps... http://www.sparkfun.com/products/9947 if you cant directly use the arduino, this thing is controlled via spi. you could of course reverse engeneer it too.
hth, ben
[Edit: Fixed link]
This would be great if i could find an existing embeded library optical flow source code for the Kinect, id like to run it on a M4 Cortex, instead of the lame solution of straping a laptop on with duct tape.
my L1's and F4's all support on chip USB, (stm32) but the drivers are developement time killers.
Registered Member #65
Joined: Thu Feb 09 2006, 06:43AM
Location:
Posts: 1155
"This would be great if i could find an existing embedded library optical flow source code for the Kinect, id like to run it on a M4 Cortex, instead of the lame solution of strapping a laptop on with duct tape."
Actually, a $60 dual core 2.x GHz CPU, CUDA (1.1+) enabled GPU, and 4GB ram is quite an acceptable alternative. Add an old $20 Buspirate dongle interface and the i2c/spi sensors are running the same day.... =P
Note, dumping the non-essential laptop parts on Ebay meant the students actually generated a net profit to purchase additional parts like bootable SD cards. These cards are slow when running Debian/Ubuntu 10.04, and start to burn-out after a few months of use.... However, they have less mass than solid state drives, can be legally cloned/replicated with G4L in under a few hours, and tend to survive rough landings.
I tend to recommend keeping the external monitor port, WiFi card (the antennas are usually in the LCD plastic bezel), and keyboard for special BIOS hot-keys if needed at some-point. Note that some laptop motherboards can have almost every peripheral cable removed, but will not continue to function if the docking port plug is unplugged. Often it is less weight to only keep the cooling fan, and custom make copper plate heat exchangers for the GPU, CPU, and MB bridge chips.
Although some people have attempted tapping into the high capacity laptop battery for drive (or on-board charger).... I have not seen anyone complete it successfully.
Note that the power management systems of Mobile chips can often misrepresent their computational performance. People should review the benchmark CPU performance prior to overpaying for a modern and often less computationally powerful system:
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Need help with Hacking the MS Kinect.
