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Topics within the project
Toys research
Questionnaire discovering potential market for electronic toys
Isometric drawing of buggy (top view) with circles (capacitors, wheels, etc)
drawn in isometric
Sensor circuits and potential dividers
Circuit board manufacture
Relays and contacts
Power rating of batteries
Time constants
Vacuum forming ( top ) Injection moulding ( wheels )
Gearing - Drive pulley
Issues associated with propeller driven alternative design
Bearings on axles - axle supports
'Tolerance' for holes
Testing and Evaluation of performance. * Pie charts, bar charts and graphs
Proposals for change
Extension and alternatives could include:
* 555 timer
* Reversing on contact with wall
* IR control
* Design changes to reduce weight and power demands
* Sound sensing rather than light
* Scale of production
* Packaging
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