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I'm going to design an artefact that will alert me whenever my brother enters my room without permission. I will have it flashing and beeping. My mum and dad will know that the noise is my brother entering into my room and they can also worn him off.

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Introduction

Problem 1 When I went into town with my mates recently, I noticed that the majority of the shop had plain boring, static displays. Any shop that did have a moving display such as the gadget shop definitely drew more attention. I spoke to one shop owner about window displays and he told me that while the moving displays are more attractive and noticeable they are extremely expensive, therefore many shop owners can't afford them. Perhaps those shops that have had to close down due to lack of customers would have had more interest shown had they use a more effective window display. Problem 2 My brother and I are fortunate enough to have are own rooms but unfortunately my younger brother doesn't respect my privacy and often enters my room without permission. He has borrowed my CD's and on occasions they have been returned damaged. ...read more.

Middle

Something is needed to alert me or deter him whenever he enters my room. Problem Analysis My brother of often enters my room without permission. My parents will not let me fit a lock as it is a safety hazard in case of a fire. These are the reason for wanting a lock on my door: * Enters my room without permission * Borrows CDs and computer games * Doesn't return them * Sometimes damages and loses them * Messes up my room Design Brief I'm going to design an artefact that will alert me whenever my brother enters my room without permission. I will have it flashing and beeping. My mum and dad will know that the noise is my brother entering into my room and they can also worn him off. I hope this will work and he will not try to enter my room again. ...read more.

Conclusion

Materials- I will be using Medium Density Fibre (MDF), High Impact Polystyrene and the necessary electronic components and circuit board Cost- The budget of this project is �10, as this would make it affordable to most of the public. Weight- The weight factor is important. My artefact will weigh no more than 1.5kg to ensure it is easily mounted and safely secured to the doorframe. Appearance- The appearance (form) is extremely important, as it will always be in view. Size- It must not be to big as it would take up too much space above my bedroom door so my artefact will measure 270mm (length) by 180mm (width) by 70mm (depth). Environment- It will be environmentally friendly as it will be made mostly out of recycled materials and will operate from a 9volt battery. Chosen Material I have decided to manufacture my artefact using a combination of Medium Density Fibre (MDF), High Impact Polystyrene and the necessary electronic components and circuit board. The reason I have chosen these materials is because they ate relatively inexpensive and readily available in the school workshop. ...read more.

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