built by Kittipat Chirungsarpsook

Click on an image to enlarge it
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Target Environment Locomotion Method
Indoors 3 Wheels
Sensors / Input Devices Actuators / Output Devices
light sensor (10 Kohm) 2 geared-motor
Control Method Power Source
Autonomous Battery
CPU Type Operating System
MCS 51 None
Programming Lanuage Weight
Assembly 300 g (approximately)
Time to build Cost to build
3 weeks 25 USD !!!!!!!!!!!!!!!!!!
URL for more information
The robot tracks the line whether its white or black (1cm thick line). It also responds to traffic light being able to make a turn 90 degree any direction. And whenever it meets intersection without traffic light, it remembers the last 'turn' it made in previous intersection with traffic light.

Interesting thing is, i was pushed to make it within 3 weeks with only 25 USD! cheap is it??

I was later be able to move it without the microprocessor at all... but took another months or so.

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