DLD PROJECT EZPARKSAAD MAHMOOD

UZAIR BIN FAROOQ

TAIMOOR SHAHZAD (AKA “TIMMY”)

MADE BY SAAD (14BEESMAHMOOD@SEECS.EDU.PK)

IDEA

• The concept of passwords is everywhere, from banks to home security to Facebook. Businesses go to great lengths to secure their information from hackers

• In Pakistan, parked cars get stolen a lot and in 95% cases never get found. The following is an excerpt from the 13th September edition of The Nation from last year:

15,500 is a huge number and this data is only for the Punjab province. 15,500 means 15,500 car owners get ripped off from something they spent a fortune on in an instant and they can’t even do something about it.

• That’s when we decided to do something about it. We can’t catch thieves but we certainly can prevent cars from getting stolen

“Prevention is better than cure”

“Thieves bewareEzPark is here”

-EzPark’s motto

A HIGH LEVEL OVERVIEW• We have made our product specifically for parking lots (with some modification can be used in other

environments)

• The user parks his/her car in the parking space. The sensor enables the EzPark lock mechanisn

• EzPark offers the user to enter a 4-digit pin

• The lock now stops the car from moving around

• In order to open the lock, the user must enter the 4 digit pin. If the input matches the lock gets opened but if the input doesn’t match the pin, the alarm goes on ( This was an important design consideration because we don’t want to give the thief more than one chance )

• In addition to this we have made a car counting module that tells the parking lot administration as well as the users entering the parking space that either the space is empty or not

• So all in all, EzPark is a complete package for parking lot administration and security

TECHNICAL DETAILS• The password is stored in a jumbled form, so thieves can’t extract password easily.

• We used 74179 as registers which has serial in as well as parallel in.

• Four 4-bit Comparator are used to match the password with the input.

• Momentary push buttons are used for the input.

• A 8 x 3 Priority Encoder is used to encode octal to binary.

• J-K flip flop to store output.

IMPLEMENTATION OF PASSWORD LOCK

IMPLEMENTATION OF CAR SPACE AVAILABILITY AND COUNTER

PCB LAYOUT FOR COUNTER CIRCUIT

WORKING PROTOTYPE

LIMITATIONS• Currently only 9 cars can be accommodated using EzPark (but this can be modified to as much cars as

you need)

• The password digits must be between 0 to 7

DISTRIBUTION OF WORK• Saad Mahmood : Final version of logic circuit on PCB, designing PCB non-trivially in Proteus, parts

purchasing, PowerPoint presentation and 10% patching.

• Taimoor Shahzad : Counter circuit on PCB and breadboard , 40% patching work and beautified the patching.

• Uzair bin Farooq : Logic building , solving singularities in the circuit, initial draft of logic circuit on Proteus and 50% patching.

FUTURE PLANS• Can be launched to market with some modifications with each piece being economical enough to be

installed on a large scale

• Range of numbers to include full decimal numbers (currently has 0-7)