built by Randolph Escamilla

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Target Environment Locomotion Method
Indoors 2 Wheels
Sensors / Input Devices Actuators / Output Devices
3 Sharp GP2D12 IR
1 paper sensor
2 stepper motors
Control Method Power Source
Autonomous Battery
CPU Type Operating System
Motorola HC11 None
Programming Lanuage Weight
Time to build Cost to build
about 3 weeks $504.00 CAN
URL for more information
This robot was built by us for our final project in Humber College (toronto, Canada) as Computer Engineering students. This robot was built and designed to go through a maze. It runs through the maze once so it could memorize it's shortest path to reach the end. And it runs through the maze for the second time without having any mistake or wrong turn. It records all the information that it's getting as it moves through the maze. Basically, we had to make the robot think by itself interms of knowing if there's a wall, dead end or if it's already at the end of the maze.


microcontroller -> Motorolla's 68HC11
platform -> Plexi-Glass
mobility -> 2 uni polar Stepper motors
driver chips -> ULN2003A
sensors -> 3 Sharp's GP2D12 (analog)
-> 1 paper sensor

- Motorola Assembler
- ANSI C Language for 68HC11

- as11 DOS version for Motorola Assembler
- ICC11 V6 for Windows 95/98/NT for C

Programming algorithm:
- "left or else right" rule.

Thanks for reading!
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