BitArtist.org

ROSJava - ROS pure java implementation.

2012-04-18T08:53:00.001-07:00

ROS is a very famous open source project, Google and Willow Garage worked out a pure java implementation and it works on Android of course! So you can turn your smartphone to robot or just simply communicate with a ROS enabled robot. Check out the rosjava project: http://code.google.com/p/rosjava/

Geminoid F - Female Robot.

2012-04-14T03:39:00.000-07:00

Geminoid F - the female robot looks like a real human made by Osaka University's Hiroshi Ishiguro, she can perform many different facial expressions and interact with people. She looks so real, you can see her blinking and singing like a human.

Also, Check out her singing here:

Robot sits on your shoudler

2012-04-12T21:03:00.000-07:00

it is so cool, you can go to shopping with another one at home using this robot. He can see what you are checking in the mall and also interact people with skype!

OpenQbo - Open Source Robot Linux distribution.

2012-03-26T00:49:00.000-07:00

Qbo - the robot is definitely under my watch list recently, a robot can talk and learn is going to be released in the year 2012. The company is also releasing the OpenQbo, the Linux distribution that uses on the robot.

Basically, you can download the beta version here: http://thecorpora.com/blog/?p=886 and then boot from CD, you will enter the OpenQbo.

There are at least two things, you may try :

The Speech Recognition System:
http://thecorpora.com/blog/?p=411

The Text to Speech System:
http://thecorpora.com/blog/?p=389

Hope I can learn more how to use this OpenQbo and perform somethings cool later.

Top 12 Robotics Trend for 2012.

2012-03-20T07:37:00.001-07:00

IEEE Spectrum published an article about the latest robotics trend for 2012. Be sure to check it out here:

http://spectrum.ieee.org/automaton/robotics/robotics-hardware/robotics-trends-for-2012

List of the robotic trends:

#1 CO-ROBOTS: ROBOTS AS CO-WORKERS AND CO-INHABITANTS
#2 3D SENSING: THE KINECT REVOLUTION CONTINUES

#3 CLOUD ROBOTICS: THE FORECAST CALLS FOR CLOUDS

#4 COMPLIANT ACTUATION: ROBOTS WITH A SOFT TOUCH

#5 SMARTPHONE-BASED ROBOTS: THE NEW ROBOT BRAINS

#6 LOW-COST MANIPULATION: A ROBOT ARM YOU CAN AFFORD

#7 SELF-DRIVING VEHICLES: COMING TO A STREET NEAR YOU

#8 FACTORY ROBOT HELPERS: THE FUTURE OF MANUFACTURING

#9 RAPID PROTOTYPING: A 3D PRINTER IN EVERY HOME

#10 UNMANNED AERIAL VEHICLES: CROWDED SKIES

#11 TELEPRESENCE ROBOTS: YOUR AVATAR IN THE REAL WORLD

#12 BIONICS: THE LINE BETWEEN HUMANS AND MACHINES GETS BLURIER

My 3D Led Cube Assembled.

2012-03-15T09:03:00.000-07:00

Recently, I buy a 3D Led cube from mainland China, it contains 8x8x8 Blue Leds. It powers up by normal USB +5V source. Also, It comes with a pre-programmed MCU, you get few features build-in (looping some cool 3d patterns, lamp and audio visualizer) .

The audio visualizer is very cool and handy, you can just plug in an audio jack and play music. There is API for you to control the leds via i2c, but I don't have time to try.

Let's see some photos:

Audio Visualizer Demo:

Motion Tracking on a wireless router (OpenWRT)

2012-02-21T05:07:00.001-08:00

Setup: TP LINK WR703N (installed OpenWRT), a USB camera (UVC compatible)

The WR703N comes with a USB host, so let's connect a USB camera to it. Usually a modern usb camera should work without problem, let's telnet to the router (e.g. telnet 192.168.1.1):

opkg update

opkg install kmode-video-core kmod-video-uvc 

Once the kmod-video-uvc is installed, you can now attach the USB camera to the router, and then you will find a device file appears: /dev/video0

That's mean the camera should ready to go.

so let's install the motion package:

opkg install motion

The WR703N doesn't have enough flash memory, so I copy the motion configuration file to /tmp (RAM), and then you have to edit the motion.conf:

change stream_localhost on to off

change locate_motion_mode off  to on

run it:

motion -c /tmp/motion.conf

View it:

Open a browser with the URL:
http://192.168.1.1:8081/

Demo Video:

My experience with OpenWRT on TP-LINK WR703N

2012-02-20T06:49:00.000-08:00

Just got a TP-LINK WR703N, which is a low cost 3G-wifi router. It comes with a USB host, one LAN port, one WIFI interface, and a mini usb connector for power supply.

It would be a nice choice for hobbyist to hack and do somethings cool with it. For example, may be a WIFI enabled sensor is awesome!

Let's get started!

*** Do at your own risk! May damage your router ****

[Flash OpenWRT]

As it is a new device, I use the firmware upgrade web interface inside (http://192.168.1.1, admin/admin) to flash openwrt firmware:

Download the latest firmware from the openwrt website: http://downloads.openwrt.org/snapshots/trunk/ar71xx/openwrt-ar71xx-generic-tl-wr703n-v1-squashfs-factory.bin

Once it is flashed successfully, it will reboot and then you can try to telnet to it.

telnet 192.168.1.1

root@OpenWrt:/# cat /proc/cpuinfo

system type : Atheros AR9330 rev 1
machine : TP-LINK TL-WR703N v1 processor : 0
cpu model : MIPS 24Kc V7.4
BogoMIPS : 265.42
wait instruction : yes
microsecond timers : yes
tlb_entries : 16
extra interrupt vector : yes
hardware watchpoint : yes,
count: 4, address/irw mask: [0x0000, 0x0ff8, 0x0ff8, 0x0ff8]
ASEs implemented : mips16
shadow register sets : 1
kscratch registers :
0 core : 0 VCED exceptions : not available VCEI exceptions : not available

[Web Administrative Interface]

Once enabled telnet, you can try connect the LAN port to a router with internet access and it would be able to access the internet.

At this point, assuming you can access the internet in the openwrt telnet console. We are going to install the web GUI for easy configuration:

To retrieve the current list of available packages in the repository do

opkg update

then for a full LuCI installation without HTTPS support enter

opkg install luci

Enable (so that it will be started at every boot) and start uHTTPd:

/etc/init.d/uhttpd enable
/etc/init.d/uhttpd start

You should now be able to connect with a web browser to you router : http://192.168.1.1/

(More info on http://wiki.openwrt.org/doc/howto/luci.essentials)

[USB mass storage]
Assuming you still have the internet access, let's fetch in the usb mass storage essentials:

opkg update
opkg install kmod-usb-storage block-mount

Also, you have to install the file system and codepage related modules.
for fat32 (Windows compatible), I installed the following:

opkg install kmod-fs-vfat kmod-nls-cp437 kmod-nls-iso8859-1

For other file systems, please check the following document:
http://wiki.openwrt.org/doc/howto/usb.storage

Now, you can mount the usb disk!
mkdir /mnt/usb
mount /dev/sda1 /mnt/usb

[USB to Serial : Silicon Labs CP210x]

The usb driver for cp210x is not available in the pre-complied packages, I have compiled using openwrt build system (based on Kernel 3.2.5), you can download here:
http://androidhk.com/usb2serial.tar.gz

put the *.ko in /tmp
and then
insmod /tmp/usbserial.ko
insmod /tmp/cp210x.ko

Once you attached the usb2serial adapter, the /dev/ttyUSB0 will be ready to use. Now, you can communicate with the MCU.

[References]
Official TLWR703N openwrt page: http://wiki.openwrt.org/toh/tp-link/tl-wr703n

iModela 3D Milling Machine targets for hobbyist.

2012-02-05T21:55:00.000-08:00

iModela is a 3D Milling Machine made by Roland. It is small in size, using CNC milling mechanism to provide 3 axis milling facilities. You can make 2D and 3D objects in your home with this small machine. It costs US$899.

Let'see how it prints 3D object: via http://icreate.rolanddg.com/iModela/Global/English/index.html/

LifeLike android mannequin in Tokyo Store.

2012-02-05T07:10:00.000-08:00

This female mannequin is the production of Dr Hiroshi Ishiguro of Osaka University. It looks very real to me, hopefully you will see more of these robots in Tokyo store. May be sometimes they will give you a smile when you passing by.

DIY IR remote on my Android Phone.

2012-01-02T19:35:00.000-08:00

I have followed the instructions here:http://www.instructables.com/id/DIY-Infrared-transmitter-for-iPhone-iPod/#step1 and here: http://www.vladcazan.com/previous-projects/electronics/iphone-remote-control.

The basic idea is using the Left/Right channel on the audio jack to power up two IR LEDs, so when you play a special audio (wave) file on your phone, it will generate the appropiate IR signals to the devices such as TV or your Camera.

It is a very easy hack, may be a good project for the new year start.

What u needs are only 2 x IR LED and a Audio 3.5mm Plug! Of coz, your phone, I am using Nexus S.

I don't have a TV, so I generate a wave media file to trigger my Canon DSLR, please check out the video:

The signal is not very strong, so sometimes it is not working properly. It may be because of the choice of the IR LED or just the phone won't provide enough power to the LED. It may not be very pratical, but it is fun anyway. Hope u will enjoy. Please do it @ your own risk, it may/may not damage your phone.

Tutorial on How to generate the wave form:
http://www.pentaxforums.com/forums/pentax-dslr-discussion/131633-absurdly-simple-diy-k-x-remote-timer-using-mp3-player.html#post1368821

Canon Trigger Waveform:
http://controlyourcamera.blogspot.com/2010/01/automatically-resume-video-shooting-on.html

My Sample wave form download here:
http://androidhk.com/Canon.wav

Hanson Robokind

2011-12-29T22:29:00.000-08:00

A walking robot with an expressive face!

Android USB Host Testing.

2011-12-14T20:23:00.000-08:00

Since Android 3.1.x (API Level 12), Google introduced an USBManager which is actually a USB host API to talk to usb devices connected to your tablet or phone. It is different to the Android ADK, which requires the other sides have special hardwares and software protocol.

As now your tablet/phone is a complete USB host device, so you can theoretically connect to any USB devices avaliable on the market. But you have to write your own USB driver using USBManager (Java) to talk to the devices.

There is a one example provided by Google called ADB Test, so now you can connect your tablet/phone to another android devices via USB and start debugging. (i.e. adb logcat)

Source code: http://developer.android.com/resources/samples/USB/AdbTest/index.html

I got a Asus Transformer TF101, and a special USB kit which turns the external connector to a USB host connector, so now I can connect my phone to it with the USB cable! Let's see the demo video here:

If you want try it on your tablet/phone, you need to prepare a special usb host adapter if necessary and then download the following from the market:
https://market.android.com/details?id=com.bitartist.usbadb

it is a direct copy of the Google Adb Test, I put on market just for people to play around.

I have started a little project of interfacing a USB2Serial adapter (based on SiLabs CP210x chipset), so far I can send / receive the data to/from the MCU UART. I hope can finish some basic functions (like setting baud rates) and release it to public later. It is a simple and cheap way to connect your Android devices to your MCU, the only drawback is that you will need a usb host and Android 3.1.x host device.

Draw Schematic Online !

2011-12-04T20:20:00.001-08:00

Found a website that allow you to draw schematic on your browser, so fast and easy.

link : http://www.dz863.com/

Robotic Bear Pillow!

2011-12-01T23:53:00.001-08:00

here we go, a new robot in Japan. It is a Pillow, if it hears you are snoring, it will turn your head to one side and hopefully you will store snoring. Check out the video here:

Qbo the Robot see himself in the mirror.

2011-11-28T09:18:00.001-08:00

Qbo is a robotic platform, it is not ready on the market yet. I am waiting for its launch. Let's see this cool video when Qbo stands in front of the mirror:

Cool!

Happy Thanksgiving: Will you consider to buy a robot for the coming 2012?

2011-11-24T07:19:00.001-08:00

We have talked about the weightloss coach robot called "Autom", now it is on sale, please check it out. They also released a new video: via http://myautom.com/

The All New ASIMO - by Honda -

2011-11-08T19:08:00.000-08:00

ASIMO is my beloved robot by Honda, now there is a whole new ASIMO released! With new hand design, asimo can do more things with his hand, also with improved balancing design, he can also jump with one leg! The new look is also very cool! Please check out the video below:

The New BeagleBone @ $89.

2011-11-03T19:11:00.000-07:00

I have a beagle board, it is really fun to play with it. Now the team released a beaglebone, with build-in ethernet, smaller footprint and IO expansion spaces. Though it is small, a Linux OS can be run on it and even cooler, you can connect to it with your browser and control the IO with Javascript! It is really a good starter kit for beginner!

Check out the website here: http://beagleboard.org/bone

Hobby Robot rides bicycle.

2011-11-01T22:57:00.000-07:00

Dr. Guero programmed a hobby robot for fun, and let she rides the bicycle in the same way of human do with no special balancing hardware.

Check out the demo:

via http://www.plasticpals.com/?p=30564

Robot with Muscle.

2011-07-08T23:17:00.000-07:00

This is a very complicated robot to use human like muscle to move.

Check it out:
Hugo Gravato Marques
Artificial Intelligence Laboratory
Switzerland

Open Source Robot: Qbo

2011-07-06T00:46:00.000-07:00

Qbo is an open robotic platform, it makes use of open source software, like Linux, OpenCV etc.

I am not sure about the retail price and the launch date, but I really hope it will be affordable for most of the robot lovers.

They also released an Alpha software of Qbo (a Linux distribution based on Ubuntu), I found it is very interesting to see what open source software that they used to build an intelligent robot, e.g. Vision system, speech engine etc, all can be done with open source software! So please check it out:

http://thecorpora.com/blog/?p=335

via http://thecorpora.com/

Weightloss Coach "Autom" released a new video.

2011-06-27T08:43:00.000-07:00

Weightloss Coach "Autom" is a social robot helps you to keep fit. Check out the latest video here:

Robot hand using lightsaber!

2011-06-15T00:24:00.001-07:00

We all love StarWars, there are tons of video showing people playing lightsaber, but this video is different, two robot hands are playing lightsaber! Cool!

Robot Aerobic - Cute Robot Teddy Bear from fujitsu.

2011-06-13T21:46:00.000-07:00

We see this robot in CES this early year, it is really amazing, and here is the robot aerobic performed by the two teddy bears!

If you have kids, they should be happy to follow them for some exercises.