Control Circuit Motor Circuit Blinking Emergency Lights Truth

Control Circuit

Motor Circuit

Blinking Emergency Lights

Truth Table INPUT OUTPUT Detector Ignition Switch Engine Emergency Light Power Window 0 0 0 1 1 0 1 1

Analysis A few fundamental engineering concept has been used to complete the circuit : �Ohm’s Law �Kirchhoff’s law �Basic knowledge of electronic devices

Project Development � Smoke detector

Project Development � Joining circuit

Project Development � Control car

Project Development � Prototype

Methodology Current problems Problem Definition Need of products Identify potential problems and solutions Supervisor’s advice Research on topic Internet, books Data Analysis Choices, Alternatives Decision Making Confirmation of topic Conceptual Design Sketches Feasibility studies Practicability of design Fundamental engineering calculations Detailed design Auto. Cad, Catia Fabrication of design Adjustment, Testing Finalization /Experimentation Working prototype Presentation Group presentation Compilation of final report

Economical Consideration No. Dimension (L X W X H)/ description / material / specification Unit Price (RM) Qty Amount (RM) Detector 40 1 40 Small car 80 1 80 Item Brand & Model Vendor / supplier 1 2 Total RM 120

Discussion Questionare & Answers Q 1) Do you know about carbon monoxide gas? A. Yes B. No 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% YES NO

Discussion Q 2) Do you know what is the effect of prolonged exposure to carbon monoxide gas? A. Yes B. No 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% YES NO

Discussion Q 3) Do you think you know if you are being exposed to the carbon monoxide gas? A. Yes B. No 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% YES NO

Discussion Q 4) How often have you heard the news about the case of death because of exhaust leakage in cars? A. Rarely B. Sometimes C. Often 45% 40% 35% 30% 25% 20% 15% 10% 5% 0% RARELY SOMETIMES OFTEN

Discussion Q 5) If there are device that can be installed in cars to detect carbon monoxide and other gas leakage in the car, will you buy it? A. Yes B. No 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% YES NO

Discussion Q 6) If you answer No, can you state one of your reasons below: ____________________________________ Answer : 20% of student said no because they think it will be more costly to installed their car with that device.

Discussion Q 7) Will it be better if the detector is equipped with advance response mechanism such as automatic turning off of engine and opening of windows when there are leakage of carbon monoxide in the car? A. Yes B. No 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% YES NO

Discussion Q 8) Do you think that this detector will be useful to add to the safety feature in the cars as same as the function of airbags(where accidents does not happen always but still the safety feature is installed in the car)? A. Yes B. No 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% YES NO

Conclusion � � � Gas detector in car is very useful to detect any leakage of gas and presence of CO gas. The usage of this detector can prevent any CO related injury The cost of this detector is low and it can enhanced safety in car and even saving life.