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traffic monitoring

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by

Mina Gamal

on 8 April 2013

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Transcript of traffic monitoring

 We use the module SIM 900 .
There is a switch to select the way to comunicate with arduino:
- throw serial hardware (pin 0 and 1)
- throw serial software (pin 4 and 5)

Arduino GSM/GPRS shield Microcontroller : ATmega328
Operating Voltage : 5V
Input Voltage (recommended) : 7-12V
Input Voltage (limits) : 6-20V
Digital I/O Pins :14 (of which 6 provide PWM output)
Analog Input Pins : 6
DC Current per I/O Pin : 40 mA
DC Current for 3.3V Pin : 50 mA
Flash Memory : 32 KB (ATmega328) of which 0.5 KB used by bootloader
SRAM : 2 KB (ATmega328)
EEPROM : 1 KB (ATmega328)
Clock Speed : 16 MHz Arduino Uno Arduino also simplifies the process of working with microcontrollers, but it offers some advantage for teachers, students, and interested amateurs over other systems:
Inexpensive 
Cross-platform
Simple
Open source and extensible software
Open source and extensible hardware 
Why Arduino? By : Ereny Atef
Michel Magdy
Mina Gamal
Mina Farouk
Mina Magdy
Mina Masood
Mina Sety
Monika Saad
Nader Onsi
Shaimaa Ali

supervisor : Dr Adel Yehia Traffic Monitoring  It's an open-source physical computing platform based on a simple microcontroller board, and a development environment for writing software for the board.
Arduino can be used to develop interactive objects, taking inputs from a variety of switches or sensors, and controlling a variety of lights, motors, and other physical outputs. Arduino projects can be stand-alone, or they can be communicate with software running on your computer .
The boards can be assembled by hand or purchased preassembled; the open-source IDE can be downloaded for free. What is Arduino? Description: This is a force sensitive resistor with a square, 1.75x1.5", sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance. When no pressure is being applied to the FSR its resistance will be larger than 1MΩ. This FSR can sense applied force anywhere in the range of 100g-10kg. These sensors are simple to set up and great for sensing pressure. FORCE SENSITIVE RESISTOR Size: 1/2" (12.5mm) diameter active area by 0.02" thick (Interlink does have some that are as large as 1.5"x1.5")
Resistance range: Infinite/open circuit (no pressure), 100KΩ (light pressure) to 200Ω (max. pressure)
Force range: 0 to 20 lb. (0 to 100 Newtons) applied evenly over the 0.125 sq in surface area
Power supply: Any! Uses less than 1mA of current (depends on any pullup/down resistors used and supply voltage) FORCE SENSITIVE RESISTOR As we've said, the FSR's resistance changes as more pressure is applied. When there is no pressure, the sensor looks like an infinite resistor (open circuit), as the pressure increases, the resistance goes down.
the voltage is proportional to the inverse of the FSR resistance.
Vo = Vcc ( R / (R + FSR) ) How to measure force/pressure with an FSR High Quality Product (Not hobby grade)
Quad-Band GSM/GPRS
850/ 900/ 1800/ 1900 MHz
Built in RS232 Level Converter (MAX3232)
Configurable baud rate
SMA connector with GSM L Type Antenna.
Built in SIM Card holder.
Built in Network Status LED
Inbuilt Powerful TCP/IP protocol stac for internet data transfer over GPRS.
Audio interface Connector
Most Status & Controlling Pins are available at Connector
Normal operation temperature: -20 °C +55 °C
Input Voltage: 5V-12V DC FEATURES of SIM900 Problem Definition Traffic jam problem is getting worse every day all over the world especially in Egypt , so when we were going to choose our project , this problem came across our minds and we began to think how to solve this problem . We are going to make a mobile application using Andriod programming language , through which the user can access the information gathered by the server about jammed roads. Problem Solution We choose The Piezoelectric Traffic Sensor for :
- Easy installation
- Flexibility
- Calculation of both number of passing cars and their speed piezoelectric Sensor 5 Axle Truck car Modulation type : GMSK Piezoelectric material converts kienetic energy to electrical energy. server In most common use, a server is a physical computer dedicated to run one or more services as a host, to serve the needs of other users on a network. Depending on the computing service that it offers it could be a database server, mail server, application server, web server, gaming server.

The server will Merge the data from both the Mobile network and the sensors and filter them in order to locate the jammed road and then provide this data to our application user .
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