S17: Logan

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Project Title

Logan The Smart Lock

Abstract

A staggering 1.4 billion smartphones were sold in 2015. An average consumer checks his or her smartphone 46 times a day, and in the US, people do this a collective 8 billion times every 24 hours. Most people at some point lose or forget to bring their key. Our Smart Home Lock system provides an alternate convenient way of access control on a user's smart phone. Smart Home Lock can simplify life and increase home security. Smart Home Lock provides a mechanism to lock and unlock your door with your Smart Phone, using Bluetooth communication with password protection. The door opens automatically when it senses motion when a person approaching from the inside towards the exit. An additional feature in the project is that a LCD at the entrance informs the user about the outside weather conditions, and gives suggestions accordingly. Another additional feature in the project is automatically activate lights when you arrive home after a long day spent away. How it unlocks: When Motion sensor detects you approaching Alternate means of entry: Bluetooth interface to Smartphone app with password protection

Objectives & Introduction

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Team Members & Responsibilities

Schedule

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Sl. No	Start Date	End Date	Task	Status	Actual Completion Date
1	03/21/2017	03/28/2017	Project proposal submitted	Completed	03/21/2017
2	03/28/2017	04/04/2017	Research on the whole system flow and deciding on components Assign individual task Order the components	Completed	04/04/2017
3	04/04/2017	04/11/2017	Implementation of the PIR sensor with the SJ one board Initial circuit design of PCB	Completed	04/11/2017
4	04/11/2017	04/18/2017	Integration and testing of Electric Door strike functionality Design of PCB for bluetooth, PIR sensor, LCD, SJOne, door-strike related pins on the PCB	Completed	04/18/2017
5	04/18/2017	04/25/2017	Integration of door strike with PIR sensor Interface Bluetooth module with SJOne board Design of the Android Mobile app.	Completed	04/25/2017
6	04/25/2017	05/02/2017	Verify communication between Bluetooth module and Android app Extending the functionality to multiple locks using Nordic Wireless.	Completed	05/02/2017
7	05/02/2017	05/07/2017	Integration of Text-to-Speech module Individual system testing.	Completed	05/07/2017
8	05/07/2017	05/14/2017	Integration of the whole system Debugging and testing of the whole system.	Completed	05/14/2017
9	05/14/2017	05/21/2017	Final testing and fine tuning Report preparation.	In Progress	05/21/2017

Parts List & Cost

Item#	Part Description	Vendor	Qty	Cost
1	SJ One Board (LPC 1758)	From Preet	3	$240
2	Battery	From Amazon	1	$31.57
3	Battery Charger	From Amazon	1	$17.50
4	Bluetooth Module	From Sparkfun	1	$24.95
5	Electric Door Strike	From Amazon	3	$72
6	LCD	From Digikey	1	$80
7	[PCB]	From ??	5	$13
8	PIR Motion Sensor	From Amazon	1	$9.95
9	Relays(4 Channel DC 5v relay)	From Amazon	3	$21
10	Text-to-Speech	From Amazon	1	$69.45
11	[ Wires]	From Amazon	1	$3.95

Design & Implementation

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