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My aim for this project is to design and construct a fully functioning alarm clock.
Member rating: No Rating | Words: | Submitted: Fri Dec 12 2003
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A2 Electronics Alarm Clock By Abdul Wali Chowdhury Alarm Clock Aim My aim for this project is to design and construct a fully functioning alarm clock. Investigation To construct the alarm clock I had to investigate two factors, how bright the seven-segment display would be and how loud the alarm would sound. To find out the brightness of the seven-segment display I used a light level meter and placed the blackout tube over a powered seven-segment display, the light level meter read 0.80 lux. To find out how loud the alarm would be I used a sound detector, my mobile and a meter ruler. I placed the sound detector one meter away from my mobile; the volume of my mobile was set to its highest, the sound meter read 87 DB. This is a reasonable sound level and I would like my alarm to sound somewhere near this number. I had very little experience with micro controllers, so...
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