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Archimedes
EE 296
Tha X-Roaderz
PRESENTS:
Archimedes
Tha X-Roaderz
KEVIN – Website / Lap Counter / Crossing Gate
AMY – Sensors / Lights / Sounds
TIO – Speed Controller / Crossing Gate / Sound / PPTs
MOUSSA – Speed Controller / Track Switching
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Overview of the Project
The overview of the project is to design a train set with respective train stations so that it can be utilized by those with special needs / disabilities.
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Block Diagram
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User Interface
Flex Sensor >>
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Flex Sensor: 411
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Setup
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PICAXE Processors
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PICAXE
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PICAXE Schematics
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H-BridgeT
ruth
Tab
le
H-BRIDGE
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Lap Counter4026B (7-Segment)
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Track Switching
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Sensors
The sensors indicate the location of the train and will be needed for:•Crossing gate•Lights•Track switching
The sensor starts off with a reed switch that will close when it senses a field from an external magnet.
Magnets will be attached to the bottom of all the train’s cars.
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CK
IN
OUT
S0
0
S2
1
S1
1
S3
1
0
1
1
0
1
0
0
1
State Diagram
x=0 x=1
AB A+B+ A+B+ z
S0 00 00 01 0
S1 01 10 01 1
S2 10 11 01 1
S3 11 00 01 1
Next State Table
JA=BX’KA=B+X
JB=A+XKB=X’
The reed switch is connected to the JK flip flops which is then connected to the picaxe.
Equations:Z=A+B
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Potential Problems
• May be designed to accommodate a limited few
• Lack of Experience / Skill levels regarding project at hand
• Time Management / Team Availability
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Time-Line
• 21 Jan 06 – Basic Electronic Tutorial
• 28 Jan 06 – Solder Technique Tutorial
• 20 Mar 06 – Completion of Sensors / Controllers
• 08 Apr 06 – Lights / Interfacing Completion
• 10 Apr 06 – Project Completion
• 01 May 06 – Aesthetics Completion
• 4/5 May 06 – GAME DAY
Archimedes THE END
THA X-ROADERZ!
MOUSSATIO
AMY KEVIN
http://www2.hawaii.edu/~kahing/
Roaderz’ Website:
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QUESTIONS ... ?
... anyone ?!
THA X-ROADERZ