This is a GuardDog. Woof. Woof.

GuardDog

The GuardDog acts as a dog that patrols your house searching for possible intruders. It moves around, avoid obstacles. If it hears a sound, it stops to search for an intruder. If motion is detected, it begins to bark and notify via bluetooth the owner.

Components Needed

• mbed controller
• Mbed Application Board
• Mbed Robotic Chassis
• RC Servo Motor
• parallax ping ultrasonic sensor
• Bluetooth HC-06
• Microphone chip
• Amplifier and Speaker

Set Up Instructions

1. Mount the battery packs (6V AA and regulated 5V USB)
2. Mount the servos, wheels, and caster
3. Mount the mbed Application Board (with mbed)
4. Mount a prototyping board
5. Connect all devices
6. Connect the regulated 5V USB power to the mbed
7. Pair computer with the HC-06 (default password is 1234)
8. Change “TO” email in shell script
9. Run shell script
10. Connect 6V AA to power servos
11. Enjoy the security of a dog without the responsibility of owning a pet!

Pin Set Up

Mbed application Board

RC Servo Motor

Bluetooth

Ultrasonic Sensor

PIR Sensors

Speaker Amplifier

Microphone

Explanation Video

Program Code

#!/bin/bash

sendEmail () {
  SUBJECT='GuardDog: Intruder Detected!'
  BODY='GuardDog has detected an intruder in your house! Check to make sure nothing is happening to your home and everyone and all of your belongings are safe! Woof Woof.'
  TO='EMAIL_TO_RECIEVE_ALERT'
  FROM='GuardDog'

  if [ -n "$(cat)" ]
   then
     echo "$BODY" | mail -r "$FROM" -a "From:$FROM" -s "$SUBJECT" "$TO"
   fi
}

echo "Listening."
trap "echo Exiting.; exit;" SIGINT SIGTERM
cat /dev/tty.HC-06-DevB | sendEmail | awk '{system("echo Sending Email, `date`.")}'