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DESIGN AND CONSTRUCTION OF A WIRELESS DOOR BELL
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- Contributor: projectwaka
- engagements: 486
- Case No: 843765pw
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ABSRACT - [ Total Page(s): 1 ]Today the traditional wired type of doorbells are gradually getting obsolete and are being replaced by the advanced wireless type of doorbells that are easier to install due to their hassle free set-ups. Wireless doorbell system generally comprises at least one RF transmitter powered by a battery or other power source, such as existing electrical wiring, and a RF receiver. In response to the depression of a button or other activating means on the transmitter, an electrical circuit is completed within the transmitter which energizes an oscillator or other means for generating a RF signal. The g
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CHAPTER ONE - [ Total Page(s): 1 ]1.0 INTRODUCTIONA doorbell is a signaling device typically placed near an entry door to a building. When a visitor presses a button the bell rings inside the building, alerting the occupant to the presence of the visitor. Although the first doorbells were mechanical, activated by pulling a cord, modern doorbells are electric — they are actuated by an electric switch.However, this work is wireless doorbell which is the modification of wired doorbell. Wireless doorbell systems that do not require wall wiring have become popular. The doorbell button contains a built-in radio transmitter po ... Continue Reading
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ABSRACT - [ Total Page(s): 1 ]Today the traditional wired type of doorbells are gradually getting obsolete and are being replaced by the advanced wireless type of doorbells that are easier to install due to their hassle free set-ups. Wireless doorbell system generally comprises at least one RF transmitter powered by a battery or other power source, such as existing electrical wiring, and a RF receiver. In response to the depression of a button or other activating means on the transmitter, an electrical circuit is completed within the transmitter which energizes an oscillator or other means for generating a RF signal. The g
... Continue Reading
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