F12: Evil Watchdog

Abstract

The Evil Watchdog takes the responsibilities of a pet guarding a house. It will roam around a predefined environment, avoid obstacles, and sound an alarm whenever foreign motion is detected.

Objectives & Introduction

• Use a small vehicle to imitate a moving dog
• Drive wheels using motors
• Use microcontroller to drive vehicle in environment
• When vehicle moves, use sensors to detect stationary barriers to avoid
• When vehicle stops, use additional sensors to search for strange motion
• Sound an alarm when motion is detected

Team Members

• Waymond Chen
• Hung Vuong
• Erik Montoya

Roles & Responsibilities

• Waymond Chen
• Hung Vuong
• Erik Montoya

Schedule

Week Starting	Activities
Oct 28, 2012	Acquire parts Identify interfaces to be used Identify pin selections Review datasheets
Nov 4, 2012	Build chassis Build motors and wheels Test motors and wheels
Nov 11, 2012	Integrate distance sensors Test distance sensors on vehicle
Nov 18, 2012	Integrate motion sensors Test motion sensors
Nov 25, 2012	Integrate alarm system Unite all parts
Dec 2, 2012	Testing and design final product Complete and revise project report
Dec 9, 2012	Finalize and deliver project

Parts List and Costs

The following table will be updated as parts arrive.

Item	Cost
Alarm
ARM7 NXP LPC2148 Microcontroller	$60.00
Battery
Chassis
Distance Sensors
Electric Motors
LEDs
Motion Sensors
Wheels (4x)