An automatic doorbell switch using motion sensors.

Abstract

Final year project is a prerequisite for the award of a diploma at Busitema university. The study about construction and testing an automatic doorbell switch with motion sensors was conducted by a group of two DEE students under the supervision of Mr. BUTIMEERIC. The study herein focuses on construction of the system Doorbells have come a long way since the electric doorbell was inverted in the early 1800’s. They were used to simply let you know someone was visiting your home. Before doorbells were available, doorknockers or bells hung on the front door of the house and were used to alert home owners that they had a visitor. The first doorbells were mostly mechanic alinnature till the invention of the electric doorbell which consisted of a doorbell but ton installed at the front door, hard wired to AC transformer and doorbell chime installed inside the home. Then came the battery wireless doorbells and the automatic doorbells. The objective of this project was to develop a motion sensor alarm based on a passive infra-red (PIR). The sensors detect a person and the doorbell is automatically turned on However here we disclose some insights on the existing systems for example false alarms associated with pets in the automatic doorbells using Arduino and ignorance about the use of push buttons as well as difficulty in locating switches in the dark. The automatic doorbell having a motion sensor adds an extra layer of security because when someone walks on your porch or into your yard you get notified by the alarm.