Bliepbot

Let's Make Robots Robots
1

Hi,

This is my first post to this forum, maybe time to let you see my robotic project.
Five months ago i planned to make a two wheeled balancing platform.
I wanted to make something with a n old asus eeepc, two usb i/o cards, imu sensors (adxl203,adxrs300), home brew motor drivers and some nimh batteries.
And this is the first result of my work: (my kids call it bliepbot)
http://www.youtube.com/watch?v=rHoz5QwNRf0

I had some problems with finding motors.
On the video i use cheap chinese motors bought on ebay. (lot of sound, to many backlash, no encoders).
Later i tried emg30 motors. (unsuccessfull, plastic gearwheels broke on tuning pid).
Now i ordered the 'Parallax Motor Mount and Wheel Kit with Position Controller'.
I am looking forward on recieving the Kit.

regards frank,

 

--- update 24/3/2010

Today i recieved the Parallax motor and wheel kit.

i like to share some pictures of it:

next step is to place them under bliepbot, make some finetuning and implement the position feedback,

to be continued...

Balancing on two wheels,

  • Actuators / output devices: High Torque DC 12V 160RPM Gear Motor bought from victorstudio on ebay
  • CPU: Asus Eeepc 900 - Celeron 900Mhz
  • Operating system: windows XP
  • Power source: 14 x 1.2V Mimh batteries 4000mAh
  • Programming language: Delphi 5
  • Sensors / input devices: IMU 2DOF ADXL203/ADXRS300 (sparkfun)
  • Target environment: In and Outdoor
This is a companion discussion topic for the original entry at https://community.robotshop.com/robots/show/bliepbot
2

Hey Frank,Thanks for sharing

Hey Frank,

Thanks for sharing in here :slight_smile: And congrats on making the balancing robot!

Do you have some closeups? I am trying to figure out what is what. And possibly fill out more of the forms on this page (Edit at the top) - More info on the sensors?

Looks like you have gone your own ways here, so there might be a lot to learn from you :slight_smile:

Thanks!

3

some pictures

Hi,

here some detailed pictures:

bliep2.jpg

-center: the imu sensors

-left: 7812 12v power for the eeepc

-right: usb io board

-down: the L6203 motor drivers

 

|x

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bliep1.jpg
bliep1.jpg376×500 52.9 KB

-battery tube contains Memorex HR20 4000mah 1.2V batteries

 

bliep3.jpg

 

more posts and videos when bliepbot is standing on the parallax motor and wheel kit.

regards frank,

4

Impressive
You have more guts then me trusting a laptop on a balancing robot. Wonders if it can carry cocktails. Looks about the right height.

5

Hi,Good idea to mount some

Hi,

Good idea to mount some kind of wooden service plate on top of it.

Serve cocktails and playing a song  "i stand here at the bar, i hold an empty glass…"

Is there anyone with an idea how to scan for empty glasses, got a webcam onboard, maybe humidity sensors can help.

cheers, bliepbot,

6

Oh man, you have mean HW!The

Oh man, you have mean HW!

The rest of us (some, at least) play around with little toy motors and 4,5V!

Thanks for the updates! Though I am envious!