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TwinMotion - 1

Category: Rolling
Progress: Completed
Cost: 50 EUR
Time to Build: 1 months

TwinMotion 1, 2009-03-01
General: Since I needed a stronger platform, but didn't want to spend 300-400$ on commercial offers, I've built my own, strong, customizable robot platform FROM SCRATCH!
Platform: Big 28 cm diameter light wooden wheels, two geared (30rpm) strong motors , some metal pieces and screws. To fix the wheels on the motor-heads, I've created a custom bearing, out of some tick small diameter metal pipe.

Hardware: Robot "brain" under development, currently I've used it with my AtMega8 H-Bridged board, available here.
Block Schematics: Not yet available.
Functionality: Not yet available.
Pictures and videos

This video shows the platform in action, controlled by a simple ATMega8 microcontroller brain, that was only giving simple movement commands : forward x cm, turn left, move backwards x cm, turn left/right, etc.

TwinMotion update #1, 2009-03-22
General: Wheels needed better adjustment on motor axis, and I've decided to add a third wheel for stability, since running on two wheel can make the fixed-body turn upside down - and would create problems when using various environment sensors.
Platform:
A third wheel has been added.
Hardware: Currently the experimental setup is running on the same Atmega8 board.
Pictures and videos
Here's a demo showing this platform, you can easily see how powerful it is, considering the complete setup is ~2 Kg weight.

Comments

wperko's picture

Hi,    Did you see my CanBot1

Hi, 

 

Did you see my CanBot1 on my BallBot1 project?  It's the same thing that I did about a year ago ... 

http://robotbox.net/project/wperko/ballbot1p-project

 

The CanBot1 is just a peanut can ... with the peanuts inside it only cost me US$2.50 ... There's no need to spend a lot of money on a robot body or platform ... 

 

But you can vote for the BallBot1 to go into production here;

http://www.quirky.com/ideations/195555

 

The real secret is the programming to make it useful ... mine is a small and simple to learn robot-2-human language ... Perfect for small children, great for hacking in high school and college ...